Perhaps you should try some spelling variations:
cang khang » cang thang, quang khang, van khang
chu manh » ho manh, chu han, thu minh
khang cu » khung cua, thang cua, chung cu
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cau » toan cao, toan ban, toan tap
chu van » cuu van, chu han
cu dung » su dung, cau duong, duc dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao ((chu manh) or (chu van)) - cang khang cu dung ((cong dan) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((chu manh) OR (chu van)) - cang khang cu dung ((cong dan) OR (cong san)) toan cau.
• Adding a wildcard symbol may retrieve word variants: chao ((chu manh) or (chu van)) - cang khang cu dung ((cong dan) or (cong san)) toan cau*.