Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sang » chieu sach, chieu xanh, hieu lang
thieu anh » thien anh, chieu xanh, thien danh
chinh ban » chinh bao, chinh can, chinh ngan
ban nhung » san nhung, ban phuong, gian nhung
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu anh) or (chieu sang)) - hanh chinh ban nhung cong tan ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu anh) OR (chieu sang)) - hanh chinh ban nhung cong tan ((than cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu anh) or (chieu sang)) - hanh chinh ban nhung cong tan ((than cau) or (phan cau))*.