Perhaps you should try some spelling variations:
"tranh coc dat slippers" » "tranh cuoc dat slippers", "tranh cac dat slippers", "tranh co dat slippers", "tranh hoc dat slippers", "tranh chon dat slippers", "tranh duoc dat slippers", "tranh coc dat slippery", "tranh coc 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: (((("tranh coc 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: (((("tranh coc dat slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tranh coc dat slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tranh coc dat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.