Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
tran chau » tranh chap, tran huu
tien anh » tieng anh, tien manh, dien anh
cong tan » cong tac, cong san, cong thanh
tra cau » tra sau, ta cau, tra cuu

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) or (tien anh)) - thanh trung cua nhung cong tan ((tra cau) or (tran chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (tien anh)) - thanh trung cua nhung cong tan ((tra cau) OR (tran chau)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (tien anh)) - thanh trung cua nhung cong tan ((tra cau) or (tran chau))*.