Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
chiet tach » chieu sach
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong tac » cong ty
thai cao » tai cao, thoai cac, thuat cao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((hieu manh) or (chiet tach)) - hanh trung cua nhung ((cong san) or (cong tac)) thai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((hieu manh) OR (chiet tach)) - hanh trung cua nhung ((cong san) OR (cong tac)) thai cao.
• Adding a wildcard symbol may retrieve word variants: doi ((hieu manh) or (chiet tach)) - hanh trung cua nhung ((cong san) or (cong tac)) thai cao*.