Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
cong ban » cong bang, cong san, cong tan
than cau » toan cau, phan cau, than cap
phan dau » phan tu, hang dau

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

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