Search Text in Process

[NOV_8x]

i want search 1 text in process Wow.exe but it memory verry big,i want fast search

#include <windows.h>
#include <tlhelp32.h>
#include <tchar.h>
#include <stdio.h>
BOOL GetProcessList( )
{
	HANDLE hProcessSnap;
	PROCESSENTRY32 pe32;
	hProcessSnap = CreateToolhelp32Snapshot( TH32CS_SNAPPROCESS, 0 );
	if( hProcessSnap == INVALID_HANDLE_VALUE )
	{
		return( FALSE );
	}
	pe32.dwSize = sizeof( PROCESSENTRY32 );
	if( !Process32First( hProcessSnap, &pe32 ) )
	{
		CloseHandle( hProcessSnap );          // clean the snapshot object
		return( FALSE );
	}
	do
	{
		if (lstrcmp(pe32.szExeFile,L"TestReadProcessMemory.exe") == 0)
		{//____________________________doc bo nho tai gia tri 0x0040C0A0
			HANDLE hProcess = OpenProcess( PROCESS_ALL_ACCESS, FALSE, pe32.th32ProcessID);
			if(hProcess ==NULL)
			{
				printf("\nLoi ham OpenProcess\n");
				return 0;
			}
			char buff[1024];
			int BytesRead;
			if (ReadProcessMemory(hProcess, (LPDWORD)(0x0040C0A0),buff, sizeof(buff),(LPDWORD)&BytesRead) ==0)
			{
				printf("\nerror ReadProcessMemory\n");
				return 0;
			}
			printf("\n%s",buff);
		}//________________________________
	} while( Process32Next( hProcessSnap, &pe32 ) );
	CloseHandle( hProcessSnap );
	return( TRUE );
}
int main()
{
	GetProcessList( );
	Sleep(10000);
	return 0;
}