Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
cua trong » cua truong, cua trung, qua trong
thanh cac » hanh cac, thanh bac, thanh ca
tung cua » trung cua, tuong cua, dung cua
cong ban » cong bang, cong san, cong tan
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, than cua

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 tung cua trong cong ban ((than cau) or (((than cap) or (thanh cac))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tung cua trong cong ban ((than cau) OR (((than cap) OR (thanh cac)))).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tung cua trong cong ban ((than cau) or (((than cap) or (thanh cac))))*.