Perhaps you should try some spelling variations:
truong cua » truong ca, truong quan, truong cao
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
trung cua » trung tuan, trung cap, dung cua
hanh luat » nganh luat, hang luan, hanh lam
cong ban » cong bang, cong san, cong tan
hang cau » hang dau, hang ca, nhung cau
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - thanh ((trung cua) OR (truong cua)) nhung cong ban ((hanh luat) or (hang cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - thanh ((trung cua) OR (truong cua)) nhung cong ban ((hanh luat) OR (hang cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - thanh ((trung cua) OR (truong cua)) nhung cong ban ((hanh luat) or (hang cau))".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh ((trung cua) OR (truong cua)) nhung cong ban ((hanh luat) or (hang cau))*.