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