Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao dau cay snippets" » "dao dan cay snippets", "dan dau cay snippets", "dao cau cay snippets", "dao dau xay snippets", "dao dau ngay 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: (((("dao dau cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao dau cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao dau cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao dau cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.