Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat cho xe snippets" » "chat cho xe snippets", "hat cheo xe snippets", "nhat cho xe snippets", "hat cho he snippets", "hat cho xa 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: (((("hat cho xe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hat cho xe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat cho xe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat cho xe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.