Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
truong cua » truong ca, truong quan, truong cao
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cua » trung tuan, trung cap, dung cua
tong cong » trong cong, cong cong, dung cong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - hanh ((trung cua) or (truong cua)) tong cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh ((trung cua) OR (truong cua)) tong cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((trung cua) or (truong cua)) tong cong tac toan cau*.