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