Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau 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
cong san » cong tac
san toan » van toan, dan toan, manh 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 tinh - hanh ((trung cua) or (truong cua)) trong cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - hanh ((trung cua) OR (truong cua)) trong cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - hanh ((trung cua) or (truong cua)) trong cong san toan cau*.