Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc lai hoi snippets" » "hoc dai hoi snippets", "hoc bai hoi snippets", "hoc lam hoi snippets", "hoc lai hoa snippets", "hoc lai roi 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: (((("hoc lai hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc lai hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc lai hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc lai hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.