Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc hoi noi snippets" » "phuc hoi noi snippets", "thu hoi noi snippets", "thuc doi noi snippets", "thuc khoi noi snippets", "thuc hoc noi snippets", "thuc 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: (((("thuc 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: (((("thuc hoi noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc hoi noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc hoi noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.