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 thong » cua thuong, cua khong, cua tong
thong dan » thong van, tuong dan, trong dan
thong den » thong dien, tuong den, thong dieu
hoc hieu » hoc thieu, hoc hien, doc hieu
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 thong ((thong dan) or (thong den)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - thanh trung cua thong ((thong dan) OR (thong den)) phan cac.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - thanh trung cua thong ((thong dan) or (thong den)) phan cac*.