Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi va loc snippets" » "hoi va loc snippets", "khi va loc snippets", "choi va loc snippets", "khoi van loc snippets", "khoi va doc snippets", "khoi va loi 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 va loc 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 va loc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi va loc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi va loc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.