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