Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
truong cua » truong ca, truong quan, truong cao
trung cua » trung tuan, trung cap, dung cua
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan cao » toan ban, toan tap

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