Perhaps you should try some spelling variations:
thanh trung » thanh tung
bien thich » khien thich, tien thinh, bien tinh
kien trich » khien thich, kien truc, tien trinh
thong cong » trong cong, tong cong, thong thong
trung tao » trung tam, trong tao, trung tai
tao thong » tao trong, giao thong, toan thong
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((bien thich) or (kien trich)) - thanh trung tao thong cong ban than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((bien thich) OR (kien trich)) - thanh trung tao thong cong ban than cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((bien thich) or (kien trich)) - thanh trung tao thong cong ban than cau*.