Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhanh tinh » nhanh thanh, hanh trinh
doi chieu » doc hieu, doi chi, ho chieu
nong cong » cong cong, tong cong, nang cong
cua nong » cua cong, cuu nong, cua dong
cong tan » cong tac, cong san, cong thanh
toan tai » toan tap, doanh tai, toan ban
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 - ((nhanh tinh) or (nhan sinh)) cua nong cong tan ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - ((nhanh tinh) OR (nhan sinh)) cua nong cong tan ((toan tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - ((nhanh tinh) or (nhan sinh)) cua nong cong tan ((toan tai) or (toan cao))*.