Perhaps you should try some spelling variations:
"kham benh trac slippers" » "kham benh truoc slippers", "kham benh tai slippers", "kham anh trac slippers", "pham benh trac slippers", "khac benh trac slippers", "khai benh trac slippers", "kham benh trac slippery", "kham benh 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"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("kham benh 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: (((("kham benh trac slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kham benh trac slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kham benh trac slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.