Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
trinh cua » tinh cua, trinh quan, trinh luan
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan ban
luat » luan, xuat

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 cua) or (((trinh luat) or (tinh quang)))) nhung cong san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - hanh ((trinh cua) OR (((trinh luat) OR (tinh quang)))) nhung cong san toan tap.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - hanh ((trinh cua) or (((trinh luat) or (tinh quang)))) nhung cong san toan tap*.