Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc lai cho snippets" » "hoc dai cho snippets", "hoc bai cho snippets", "hoc lam cho snippets", "hoc lai chau snippets", "hoc bai choi snippets", "hoc lai cuoc 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 cho 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 cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc lai cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc lai cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.