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