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