Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong tu cau snippets" » "cong ty cau snippets", "cong cu cau snippets", "dong tu cau snippets", "cong tu cac snippets", "cong tu can 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: (((("cong tu 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: (((("cong tu cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong tu cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong tu cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.