Perhaps you should try some spelling variations:
"tung sinh trinh slippers" » "tung dinh trinh slippers", "tung hanh trinh slippers", "tung sinh trung slippers", "tung hinh trinh slippers", "dung sinh trinh slippers", "vung sinh trinh slippers", "tung sinh trinh slippery", "tung sinh 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: (((("tung sinh 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: (((("tung sinh trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tung sinh trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tung sinh trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.