Perhaps you should try some spelling variations:
"van dinh data slippers" » "van dinh dat slippers", "van dinh dang slippers", "van dinh dao slippers", "van minh data slippers", "van dich data slippers", "va dinh data slippers", "van dinh data slippery", "van dinh data grippers"
"dung java java snippets" » "dung va java 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: (((("van dinh 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: (((("van dinh data slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van dinh data slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van dinh data slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.