Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, thien anh, thien danh
trinh cong » trinh dung
thanh chau » thanh cha, thanh cham, thanh chu
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cua » truong cua, trung tuan, trung cap
cua trinh » qua trinh, cua tinh, xuan trinh
thanh cau » thanh mau, nhanh cau, thanh ca
cong ban » cong bang, cong san, cong tan

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 (hieu manh)) - thanh trung cua trinh cong ban ((thanh cau) OR (thanh chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - thanh trung cua trinh cong ban ((thanh cau) OR (thanh chau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (hieu manh)) - thanh trung cua trinh cong ban ((thanh cau) OR (thanh chau))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu manh)) - thanh trung cua trinh cong ban ((thanh cau) OR (thanh chau))*.