Perhaps you should try some spelling variations:
"python using code snippets" » "python using cfd snippets", "python using one snippets", "python using code slippers"
"nhanh doc 1 snippets" » "nhanh soc 1 snippets", "nhanh dong 1 snippets", "nang doc 1 snippets", "nhanh doc 2 snippets", "nhanh doc 3 snippets", "nhanh doc 4 snippets", "nhanh doc 1 slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("nhanh doc 1 snippets") or ("python using code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhanh doc 1 snippets") OR ("python using code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhanh doc 1 snippets ) or ( python using code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhanh doc 1 snippets") or ("python using code snippets"))) or ("locating bug code snippets"))*.