Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phe minh voi snippets" » "phe binh voi snippets", "phu minh voi snippets", "pham minh voi snippets", "phe minh hoi snippets", "phe minh loi 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: (((("phe minh voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phe minh voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phe minh voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phe minh voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.