Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh
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 thieu xanh - thanh trung cua nhung ((cong ban) or (cong tan)) ((than cau) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh trung cua nhung ((cong ban) OR (cong tan)) ((than cau) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh trung cua nhung ((cong ban) or (cong tan)) ((than cau) or (phan dau))*.