Perhaps you should try some spelling variations:
"dang duc thinh slippers" » "dang duc thanh slippers", "dang quoc thinh slippers", "dang duc minh slippers", "dao duc thinh slippers", "dang su thinh slippers", "dang duc thinh slippery", "dang duc thinh 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: (((("dang duc thinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang duc thinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang duc thinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang duc thinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.