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