Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khai mo cach snippets" » "khac mo cach snippets", "khi mo cach snippets", "khai bao cach snippets", "khai mot cach snippets", "khai co cach snippets", "khai mo cac 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 cach 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 cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khai mo cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khai mo cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.