Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua thong » cua thuong, cua khong, cua tong
tung cua » trung cua, tuong cua, dung cua
cong san » cong tac
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (chieu sang)) - thanh tung cua thong ((cong san) or (huong dan)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sang)) - thanh tung cua thong ((cong san) OR (huong dan)) phan cac.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sang)) - thanh tung cua thong ((cong san) or (huong dan)) phan cac*.