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