Perhaps you should try some spelling variations:
"python using cfd snippets" » "python using 3d snippets", "python using c snippets"
"lo van trong snippets" » "lo van truong snippets", "lo vang trong snippets", "lo ban trong snippets", "le van trong snippets", "vo van trong snippets", "so van trong snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("lo van trong snippets") or ("python using cfd snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lo van trong snippets") OR ("python using cfd snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( lo van trong snippets ) or ( python using cfd snippets ))) or ( locating bug code snippets ))*.