Perhaps you should try some spelling variations:
"cong luong dat slippers" » "cong thuong dat slippers", "nang luong dat slippers", "cong dong dat slippers", "cong luong dao slippers", "cong luong vat slippers", "cong luong mat slippers", "cong luong dat slippery", "cong luong dat grippers"
"dong java java snippets" » "dong 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: (((("dong java java snippets") or ("cong luong dat slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong java java snippets") OR ("cong luong dat slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong java java snippets ) or ( cong luong dat slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong java java snippets") or ("cong luong dat slippers"))) or ("locating bug code snippets"))*.