Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, kieu tinh
nhung cong » dung cong, thong cong, hang cong
chau tinh » ha tinh, cua tinh, cac tinh
cap nhung » cam nhung, vap nhung, dap nhung
cong cap » cung cap, cong cau, cong cac
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) or (((chau tinh) or (cuu tinh)))) - thanh cong cap nhung cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu tinh) OR (((chau tinh) OR (cuu tinh)))) - thanh cong cap nhung cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu tinh) or (((chau tinh) or (cuu tinh)))) - thanh cong cap nhung cong san toan cau*.