Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cua » truong cua, trung cap, dung cua
hoc hieu » hoc thieu, hoc hien, doc hieu
cong tan » cong tac, cong san, cong thanh
chan cac » chon cac, nhan cach, thanh cac
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - thanh ((trung cua) OR (trung tuan)) thong cong tan ((chan cac) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - thanh ((trung cua) OR (trung tuan)) thong cong tan ((chan cac) OR (phan cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - thanh ((trung cua) OR (trung tuan)) thong cong tan ((chan cac) or (phan cac))".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - thanh ((trung cua) OR (trung tuan)) thong cong tan ((chan cac) or (phan cac))*.