Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chieu sang » chieu sach, chieu xanh, hieu lang
doi chieu » doc hieu, doi chi, ho chieu
thanh cha » thanh ha, thanh nha, thanh phan
thanh chu » thanh chau, thanh thu, thanh thuy
chinh ta » chinh tai, chinh va, chinh tri
cong van » cong vang, cong san, song van
hanh va » hang va, hanh vi

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 ((hanh va) or (chinh ta)) phuong cong van ((thanh cha) or (thanh chu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - hanh ((hanh va) OR (chinh ta)) phuong cong van ((thanh cha) OR (thanh chu)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - hanh ((hanh va) or (chinh ta)) phuong cong van ((thanh cha) or (thanh chu))*.