Perhaps you should try some spelling variations:
"duoc cach trac slippers" » "cuoc cach trac slippers", "duoc cac trac slippers", "truoc cach trac slippers", "duoc cach thuc slippers", "duoc anh trac slippers", "duoc cach ta slippers", "duoc cach trac slippery", "duoc cach trac 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: (((("duoc cach trac slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoc cach trac slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc cach trac slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc cach trac slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.