Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan tai dot snippets" » "quan tri dot snippets", "quang tri dot snippets", "quan li dot snippets", "quan tai mot snippets", "quan tai dntn snippets", "quan tai dong 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 tai dot 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 tai dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan tai dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan tai dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.