Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"hanh cad data slippers" » "hanh cac data slippers", "hanh cat data slippers", "hanh cap data slippers", "hanh cai dat slippers", "hanh a data slippers", "hanh 3d data slippers", "hanh cad data slippery", "hanh cad 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: (((("hanh cad 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: (((("hanh cad data slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh cad data slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh cad data slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.