Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu tinh » trieu tinh, lieu tinh, chau tinh
dung phung » dung phuong, dung chung, dung nhung
doi chieu » doc hieu, doi chi, mot chieu
quang tri » quan tri
trung ap » trung cap, trung lap, trung tam
quan doi » quan tri, quan li
ap dung » xay dung, van dung

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 - thanh trung ap dung phung van ((quan doi) or (quang tri))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - thanh trung ap dung phung van ((quan doi) OR (quang tri)).
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - thanh trung ap dung phung van ((quan doi) or (quang tri))*.