Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"quan anh data slippers" » "quan hanh data slippers", "quang anh data slippers", "tuan anh data slippers", "quan anh dat slippers", "quan a data slippers", "quan anh ta slippers", "quan anh data slippery", "quan anh data grippers"
"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: (((("quan anh data slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quan anh data slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan anh data slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan anh data slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.