Perhaps you should try some spelling variations:
"trinh trinh van slippers" » "trinh tinh van slippers", "trinh kinh van slippers", "trinh tin van slippers", "trinh trinh han slippers", "trinh trinh quan slippers", "trinh trinh toan slippers", "trinh trinh van slippery", "trinh trinh van 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: (((("trinh trinh van slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh trinh van slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh trinh van slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh trinh van slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.