Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua khach mo snippets" » "cua thanh mo snippets", "nha khach mo snippets", "cua khac mo snippets", "cua khac do snippets", "cua hanh mo 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: (((("cua khach 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: (((("cua khach mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua khach mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua khach mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.