Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
doi chieu » doc hieu, doi chi, ho chieu
nhan dang » nhan dan, phan dang, tran dang
dung cong » dung trong
dang cua » dung cua, dong cua, mang cua
cua dung » cua dang, cua dong, qua dung
cong van » cong vang, cong san, song van
than cao » toan cao, than sao, than vao
thai cao » tai cao, thoai cac, thuat cao
than cap » khan cap, thanh lap, thanh cac

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 - nhan dang cua dung cong van ((((than cao) or (thai cao))) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - nhan dang cua dung cong van ((((than cao) OR (thai cao))) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - nhan dang cua dung cong van ((((than cao) or (thai cao))) or (than cap))*.