Perhaps you should try some spelling variations:
"trong cham viet slippers" » "trang cham viet slippers", "trong cac viet slippers", "trong nha viet slippers", "trong pham viet slippers", "trong cam viet slippers", "trong chat viet slippers", "trong cham viet slippery", "trong cham viet 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: (((("dung java java snippets") or ("trong cham viet slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("trong cham viet slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trong cham viet slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trong cham viet slippers"))) or ("locating bug code snippets"))*.