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