Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
thong cong » tong cong, thong thong, phong chong
van thanh » ban thanh, van tuan
thanh cau » thanh chau, thanh mau, nhanh cau
tung cua » trung cua, tuong cua, dung 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) or (chieu sach)) - thanh tung cua ((thong cong) or (trong cong)) van thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu sach)) - thanh tung cua ((thong cong) OR (trong cong)) van thanh cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu sach)) - thanh tung cua ((thong cong) or (trong cong)) van thanh cau*.