Perhaps you should try some spelling variations:
"thong viet data slippers" » "thuong viet data slippers", "tieng viet data slippers", "thong viet dat slippers", "thong viet ta slippers", "thong lieu data slippers", "thong viet data slippery", "thong viet 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: (((("thong viet 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: (((("thong viet data slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thong viet data slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thong viet data slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.