Perhaps you should try some spelling variations:
"tranh cua dat slippers" » "doanh cua dat slippers", "manh cua dat slippers", "tranh cua dan slippers", "tranh cua vat slippers", "tranh cua dai slippers", "tranh cua dat slippery", "tranh cua 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 cua 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 cua dat slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tranh cua dat slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tranh cua dat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.