Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau nha mo snippets" » "cac nha mo snippets", "cau ha mo snippets", "cuu nhan mo snippets", "cau nha moi snippets", "cau nhan mo snippets", "cau nha o 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 nha mo 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 nha mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau nha mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau nha mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.