Perhaps you should try some spelling variations:
"trong cuoc dat slippers" » "trong cac dat slippers", "trong coc dat slippers", "trong duoc dat slippers", "trong quoc dat slippers", "trong cuoc dat slippery", "trong cuoc dat 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: (((("trong cuoc dat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong cuoc dat slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong cuoc dat slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong cuoc dat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.