Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai cau hoc snippets" » "hai chau hoc snippets", "hai chu hoc snippets", "hai hau hoc snippets", "hai cau hoi snippets", "hai cau hoa snippets", "hai cao 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 cau 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 cau hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai cau hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai cau hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.