Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luan chi cap snippets" » "luan thi cap snippets", "luan chim cau snippets", "luan thi chap snippets", "quan chi cap snippets", "lan chi cap 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: (((("luan chi cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luan chi cap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luan chi cap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luan chi cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.