Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
dang cong » dung cong
cong tan » cong tac, cong san, cong thanh
toan tai » doanh tai, toan ban, toan cao
toan tap » toan ban
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 (trung cap)) dang cong tan ((toan tai) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - thanh ((trung cua) OR (trung cap)) dang cong tan ((toan tai) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh ((trung cua) or (trung cap)) dang cong tan ((toan tai) or (toan tap))*.