Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap lua hoi snippets" » "phap luat hoi snippets", "phap luan hoi snippets", "phap luu hoi snippets", "phap cua hoi snippets", "phap lua doi 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: (((("phap lua 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: (((("phap lua hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap lua hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap lua hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.