Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kho cau cua snippets" » "kho cam cua snippets", "khoa chau cua snippets", "kho canh cua snippets", "kho cau qua snippets", "kho ca cua snippets", "kho cu cua 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: (((("kho cau cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kho cau cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kho cau cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho cau cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.