Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhanh doc le snippets" » "nhanh soc le snippets", "nhanh dong le snippets", "nang doc le snippets", "nhanh do le snippets", "nhanh hoc le 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: (((("nhanh doc le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhanh doc le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhanh doc le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhanh doc le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.