Perhaps you should try some spelling variations:
"dung dung cham snippets" » "dung dung code snippets", "duong dung cham snippets", "ung dung cham snippets", "dung ung cham snippets", "dung duong cham snippets", "dung dung cam snippets", "dung dung chat snippets"
"locating bug core snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung dung cham snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dung cham snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung dung cham snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dung cham snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.