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