Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi khi cua snippets" » "khoi ki cua snippets", "phoi khi cua snippets", "khong khi cua snippets", "khoi chi cua snippets", "khoi thai cua 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 khi 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 khi cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi khi cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi khi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.