Perhaps you should try some spelling variations:
thien anh » thien danh, tien anh, thien thanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cua » truong cua, trung tuan, trung cap
dung cong » dung trong
cong ban » cong bang, cong san, cong tan
ban nhan » ban than, van nhan, ban thanh
nhan cap » khan cap, than cap, nhan cach

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien anh) or (hieu manh)) - hanh ((trung cua) or (trung tam)) dung cong ban nhan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (hieu manh)) - hanh ((trung cua) OR (trung tam)) dung cong ban nhan cap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) or (hieu manh)) - hanh ((trung cua) or (trung tam)) dung cong ban nhan cap*.