Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
khong cong » thong cong, khong cang, chong cong
trung hua » trung ha, trung cua, trung huy
trung hoa » trung hoc, trung ha
thu hang » thi hang, thuc hanh, thu huong
cong dan » cong san, cong tan, huong dan
ca cau » cua cau, cac cau, can cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho ((thu hang) or (chieu xanh)) - hanh ((trung hua) or (trung hoa)) khong cong dan ca cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((thu hang) OR (chieu xanh)) - hanh ((trung hua) OR (trung hoa)) khong cong dan ca cau.
• Adding a wildcard symbol may retrieve word variants: cho ((thu hang) or (chieu xanh)) - hanh ((trung hua) or (trung hoa)) khong cong dan ca cau*.