Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thay cua cau snippets" » "thai cua cau snippets", "than cua cau snippets", "thao cua cau snippets", "thay chua cau snippets", "thay cua cac snippets", "thay cua chu 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: (((("thay cua 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: (((("thay cua cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thay cua cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thay cua cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.