Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu cai cach snippets" » "khu loi cach snippets", "khu tai cac snippets", "khu va cach snippets", "chu cai cach snippets", "khau cao cach 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: (((("khu cai 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: (((("khu cai cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu cai cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu cai cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.