Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
doi chieu » doc hieu, doi chi, ho chieu
doanh cua » doanh luan
toan cau » toan ban, toan tap, toan tai
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: doi chieu tinh - hanh ((trung tuan) or (doanh cua)) nhung cong thanh ((toan cau) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - hanh ((trung tuan) OR (doanh cua)) nhung cong thanh ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu tinh - hanh ((trung tuan) or (doanh cua)) nhung cong thanh ((toan cau) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - hanh ((trung tuan) or (doanh cua)) nhung cong thanh ((toan cau) OR (toan cao))*.