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