Perhaps you should try some spelling variations:
chung tuong » chung thong, nhung tuong, chuong duong
thanh trung » thanh tung
chieu tinh » trieu tinh, lieu tinh, chau tinh
trung chon » trong chong, trung hoc, trung hoa
chon chung » cho chuong, cho nhung, cong chung
doi chieu » doc hieu, doi chi, mot chieu
tuong van » truong van, trong van, duong van
quan tai » quang tri, quan li, quan doi

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