Perhaps you should try some spelling variations:
"dung cac chien snippets" » "dung cac code snippets", "dung cuoc chien snippets", "dung van chien snippets", "dung nam chien snippets", "luong cac chien snippets", "dung cho chien snippets", "dung tai chien snippets"
"locating bug core snippets" » "locating bug code snippets"
"dung using java snippets" » "dung ung java snippets", "dung sinh java snippets", "dung uong java snippets", "dung using data 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 using java snippets") OR ("dung cac chien snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dung using java snippets\") OR (\"dung cac chien snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( dung using java snippets ) OR ( dung cac chien snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung using java snippets") OR ("dung cac chien snippets"))) OR ("locating bug core snippets"))*.