Perhaps you should try some spelling variations:
truong cao » truong dai
trung cap » trung tam
dong cong » duong cong, dung cong, dang cong
cua sinh » hoa sinh, va sinh
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
doi cua » dai cua, hoi cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi cua sinh - hanh ((trung cap) or (truong cao)) dong cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi cua sinh - hanh ((trung cap) OR (truong cao)) dong cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: doi cua sinh - hanh ((trung cap) or (truong cao)) dong cong dan toan ban*.