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