Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trinh » canh tranh, hanh chinh
luat chung » luan chung, luat thuong, cua chung
chung cong » nhung cong, chong cong, phung cong
doi chieu » doc hieu, doi chi, ho chieu
cong tac » cong ty
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - hanh trinh luat chung cong tac ((than cau) or (((phan cau) or (phan tu))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - hanh trinh luat chung cong tac ((than cau) OR (((phan cau) OR (phan tu)))).
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - hanh trinh luat chung cong tac ((than cau) or (((phan cau) or (phan tu))))*.