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