Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
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 tac, cong san, cong thanh
tan chan » dan chan, ban chan, can chan
chan cau » phan cau, can cau, chinh cau

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 cua) or (truong cua)) thuong cong tan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh ((trung cua) OR (truong cua)) thuong cong tan chan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh ((trung cua) or (truong cua)) thuong cong tan chan cau*.