Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phu minh voi snippets" » "thu minh voi snippets", "phu ninh voi snippets", "phu tinh voi snippets", "phu binh voi snippets", "phu minh hoi snippets", "phu 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: (((("phu 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: (((("phu minh voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phu minh voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu minh voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.