Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi bai cua snippets" » "khi bai cua snippets", "hoi bai cua snippets", "khoi bay cua snippets", "khoi ban cua snippets", "khoi dai cua snippets", "khoi bai ca 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 bai cua 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 bai cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi bai cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi bai cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.