Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
trung cap » truong cao, trung tam
ho chieu » theo chieu, hoc thieu, doi chieu
cap tong » cap nong, cap hoang, gap trong
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung cap tong ((cong tan) OR (cong tac)) ((toan tai) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh trung cap tong ((cong tan) OR (cong tac)) ((toan tai) or (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung cap tong ((cong tan) OR (cong tac)) ((toan tai) or (toan ban))*.