Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu tinh » trieu tinh, lieu tinh, chau tinh
trung cua » truong cua, trung tuan, trung cap
dung cong » dung trong
cua sinh » hoa sinh, va sinh
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
toan cau » toan ban, toan tap, toan tai
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: ho ((chieu tinh) or (cua sinh)) - thanh trung cua dung cong dan ((toan cau) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (cua sinh)) - thanh trung cua dung cong dan ((toan cau) OR (toan cao))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu tinh) or (cua sinh)) - thanh trung cua dung cong dan ((toan cau) OR (toan cao))*".