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