Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"chinh cua code snippets" » "chinh ca code snippets", "chinh sua code snippets", "hinh cua code snippets", "chinh cua cong snippets", "chinh cua co snippets", "chinh bug code snippets"
"locating bug core snippets" » "locating bug code 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 ("chinh cua code snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dung java java snippets\") OR (\"chinh cua code snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( dung java java snippets ) OR ( chinh cua code snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") OR ("chinh cua code snippets"))) OR ("locating bug core snippets"))*.