Perhaps you should try some spelling variations:
truong quan » trong quan, thong quan, luong quan
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
trung tuan » trung thanh, trung tam, tran tuan
trung cap » truong cao, trung tam
cong san » cong tac
san khan » san khau, san khac, san phan
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sang - thanh ((((trung tuan) or (truong quan))) or (trung cap)) trong cong san khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - thanh ((((trung tuan) OR (truong quan))) OR (trung cap)) trong cong san khan cap.
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - thanh ((((trung tuan) or (truong quan))) or (trung cap)) trong cong san khan cap*.