Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
tien lang » tien long, ten lang, tien luong
dang cong » dung cong
mang cua » manh cua, ban cua, cong cua
dung cua » dung luan, dung cho
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu lang) or (tien lang)) - hanh ((mang cua) or (dung cua)) dang cong dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu lang) OR (tien lang)) - hanh ((mang cua) OR (dung cua)) dang cong dan than cap.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu lang) or (tien lang)) - hanh ((mang cua) or (dung cua)) dang cong dan than cap*.