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