Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
trung tuan » trung thanh, trung tam, truong thanh
cong thong » cong thuong, cong trong, dong thong
tran tuan » tran xuan, tran quang, tran thanh
thong van » trong van, thong va, thong quan
van thanh » ban thanh, van tuan
thanh lap » thanh san, phan lap, thanh hai
ho chieu » theo chieu, hoc thieu, doi chieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - thanh ((trung tuan) or (tran tuan)) cong thong van thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh ((trung tuan) OR (tran tuan)) cong thong van thanh lap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh ((trung tuan) or (tran tuan)) cong thong van thanh lap*.