Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi hoai vo snippets" » "thi hai vo snippets", "thi hoa vo snippets", "thi hoan vo snippets", "thi hoai va snippets", "thi hoai ve snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("thi hoai vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi hoai vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi hoai vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi hoai vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.