Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
va trong » va truong, va thong, va tuong
cong ban » cong bang, cong tan, cong dan
cong san » cong tac
phap cau » phan cau, pha cau, phap ca
tung va » trung va, tuong va, dung va

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