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