Perhaps you should try some spelling variations:
trung thanh » truong thanh
chiet tach » chieu sach
trung tuan » trung tam, tran tuan, truong thanh
nhung cong » dung cong, thong cong, hang cong
cong vang » cong lang, cong quang, cong ngang
ho chiet » ho chieu, ho thiet, hoc thiet
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 chiet tach - thanh ((trung tuan) or (trung thanh)) nhung cong vang ((toan cau) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - thanh ((trung tuan) OR (trung thanh)) nhung cong vang ((toan cau) OR (toan cao))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - thanh ((trung tuan) or (trung thanh)) nhung cong vang ((toan cau) OR (toan cao))*".