Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khai mo hoi snippets" » "khac mo hoi snippets", "khi mo hoi snippets", "khai bao hoi snippets", "khai mo phoi snippets", "khai mo hoc snippets", "khai co hoi 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: (((("khai mo hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khai mo hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khai mo hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khai mo hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.