Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, doi chieu
tinh cua » trinh cua, sinh cua, tinh chat
cong tan » cong tac, cong san, cong thanh
toan cau » toan tap, toan tai
toan cao » toan tap
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - nhanh tinh cua nhung cong tan ((((toan cau) OR (toan cao))) OR (toan ban))~.
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - nhanh tinh cua nhung cong tan ((((toan cau) or (toan cao))) or (toan ban))*.