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