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