Perhaps you should try some spelling variations:
"dung doi cham snippets" » "dung doi code snippets", "huong doi cham snippets", "dung tai cham snippets", "dung co cham snippets", "dung hoi cham snippets", "dung goi cham snippets", "dung toc cham snippets"
"locating bug core snippets" » "locating bug code snippets"
"dang java java snippets" » "dang 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: (((("dang java java snippets") or ("dung doi cham snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang java java snippets") OR ("dung doi cham snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dang java java snippets ) or ( dung doi cham snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang java java snippets") or ("dung doi cham snippets"))) or ("locating bug core snippets"))*.