Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi anh dot snippets" » "thi hanh dot snippets", "thi thanh dot snippets", "thich anh dot snippets", "thi anh dat snippets", "thi anh doc snippets", "thi anh 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: (((("thi anh 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: (((("thi anh dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi anh dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi anh dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.