Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sang » chieu sach, chieu xanh, hieu lang
doi chieu » doc hieu, doi chi, ho chieu
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
tang cua » mang cua, hang cua, tang luan
cong tac » cong ty
toan cao » toan ban
toan tap » toan ban

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