Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu sang » chieu sach, chieu xanh, hieu lang
hanh dinh » thanh dinh, hinh dinh, hanh tinh
ca thuong » cao thuong, cua thuong, va thuong
phan chat » phan phat, phap chat, nhan chat
tran nhat » toan nha, tran chau
ho chieu » theo chieu, hoc thieu, mot chieu
dinh ca » dinh cac, dinh cua, dinh cao

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 - hanh dinh ca thuong cong ((phan chat) or (tran nhat)) ran~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh dinh ca thuong cong ((phan chat) OR (tran nhat)) ran*.