Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham hoi noi snippets" » "cham voi noi snippets", "cham h'roi noi snippets", "pham hoai noi snippets", "cham khoi noi snippets", "cham hoc noi snippets", "cham loi noi 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: (((("cham hoi noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cham hoi noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham hoi noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham hoi noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.