Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap nghe cao snippets" » "cap nghe cao snippets", "lap nghien cao snippets", "lap nghiep cao snippets", "lap nghe co snippets", "lap nghe nano snippets", "lap nghe chan 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: (((("lap nghe cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lap nghe cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap nghe cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap nghe cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.