Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoc thieu » toc thieu, hoc hien
trung tao » trung tam, trong tao, trung tai
tong cong » trong cong, cong cong, dung cong
hoc dieu » hoc hien
tao tong » tao trong, tao thong, tao tuong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
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 dieu) or (hoc thieu)) tinh - thanh trung tao tong cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dieu) OR (hoc thieu)) tinh - thanh trung tao tong cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc dieu) or (hoc thieu)) tinh - thanh trung tao tong cong dan than cau*.