Perhaps you should try some spelling variations:
"dung cac cham snippets" » "dung cac code snippets", "luong cac cham snippets", "dung cho cham snippets", "dung tai cham snippets", "dung cac chat snippets", "dung ca cham snippets", "dung cac cam snippets"
"locating bug core snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java 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 cac cham snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dung cac cham snippets\") OR (\"dung java java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( dung cac cham snippets ) OR ( dung java java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cac cham snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets"))*.