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