Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat thanh ca snippets" » "dao thanh ca snippets", "dat khanh ca snippets", "dang thanh ca snippets", "dat thanh cha snippets", "dat thanh cac snippets", "dat thanh ha 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: (((("dat thanh ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat thanh ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat thanh ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat thanh ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.