Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tung dau cay snippets" » "tung dan cay snippets", "dung dau cay snippets", "rung dau cay snippets", "tung dau xay snippets", "tung 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: (((("tung 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: (((("tung dau cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tung dau cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tung dau cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.