Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nghin le ke snippets" » "nghi le ke snippets", "nghia la ke snippets", "nghi ve ke snippets", "nghin ly ke snippets", "nghin le le snippets", "nghin le te 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: (((("nghin le ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nghin le ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nghin le ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nghin le ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.