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