Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu quang » thieu quang, hieu quan, hieu qua
trung tuan » trung thanh, trung tam, tran tuan
hieu lang » nhieu tang, hieu van, biet lang
tuan hang » tuan hoang, tuan bang, tuan dang
hang cong » dang cong, hang nong, bang cong
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
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: ho ((((hieu lang) or (chieu sang))) or (hieu quang)) - thanh trung tuan hang cong tac than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((hieu lang) OR (chieu sang))) OR (hieu quang)) - thanh trung tuan hang cong tac than cap.
• Adding a wildcard symbol may retrieve word variants: ho ((((hieu lang) or (chieu sang))) or (hieu quang)) - thanh trung tuan hang cong tac than cap*.