Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phu vu toi snippets" » "phuc vu toi snippets", "phu nu toi snippets", "khu vu toi snippets", "phu vu tuoi snippets", "phu vu thi snippets", "phu vu tai 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 vu toi 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 vu toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phu vu toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu vu toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.