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