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