Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran ku cau snippets" » "tran tu cau snippets", "tran vu cau snippets", "tran duc cau snippets", "tran ke cau snippets", "tran cu cau snippets", "tran su 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: (((("tran ku 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: (((("tran ku cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran ku cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran ku cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.