Perhaps you should try some spelling variations:
thanh trung » thanh tung
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cua » truong cua, trung tuan, trung cap
cua trong » cua truong, cua trung, qua trong
doc hieu » toc thieu, hoc thieu, hoc hien
cong ban » cong bang, cong san, cong tan
hanh cat » hanh cac, hanh cham, hanh luat
hanh ca » hanh cac, hanh cua, hanh cad

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu manh - thanh trung cua trong cong ban ((hanh ca) or (hanh cat))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu manh - thanh trung cua trong cong ban ((hanh ca) OR (hanh cat))*.