Perhaps you should try some spelling variations:
"nam tai trac snippets" » "nam tap trac snippets", "nam thi trac snippets", "nam hai trac snippets", "lam tai trac snippets", "pham tai trac snippets"
"python using c snippets" » "python using lc snippets", "python using a snippets", "python using _ 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: (((("nam tai trac snippets") or ("python using c snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nam tai trac snippets") OR ("python using c snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( nam tai trac snippets ) or ( python using c snippets ))) or ( locating bug code snippets ))*.