Perhaps you should try some spelling variations:
trung cuu » trung cua, truong cua, trung cap
trung cau » trung cap, trung ca, trung can
nong cong » cong cong, tong cong, nang cong
hoc dieu » hoc thieu, hoc hien
cong san » cong tac
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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 hanh - thanh ((trung cuu) or (trung cau)) nong cong san ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc dieu hanh - thanh ((trung cuu) OR (trung cau)) nong cong san ((than cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc dieu hanh - thanh ((trung cuu) or (trung cau)) nong cong san ((than cau) or (phan cau))*.