Perhaps you should try some spelling variations:
truong cua » truong ca, truong quan, truong cao
hoc thieu » toc thieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
trung cua » trung tuan, trung cap, dung cua
dong cong » duong cong, dung cong, dang cong
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
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 thieu) or (doi chieu)) xanh - thanh ((trung cua) OR (truong cua)) dong cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chieu)) xanh - thanh ((trung cua) OR (truong cua)) dong cong tac than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (doi chieu)) xanh - thanh ((trung cua) OR (truong cua)) dong cong tac than cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doi chieu)) xanh - thanh ((trung cua) OR (truong cua)) dong cong tac than cau*.