Perhaps you should try some spelling variations:
"sung vao trinh slippers" » "sung tao trinh slippers", "sung iao trinh slippers", "sung va trinh slippers", "dung vao trinh slippers", "tuong vao trinh slippers", "dung va trinh slippers", "sung vao trinh slippery", "sung vao 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: (((("sung vao 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: (((("sung vao trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sung vao trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sung vao trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.