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