Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thieu sang » chieu sang, thieu khang, thieu quang
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
hoang manh » hoang minh, hoang anh, hoang xanh
cua thuong » cua truong, cua phuong, ca thuong
hoc thieu » toc thieu, hoc hien
trai chan » tran chau, tra chat, tri chat
cong tam » cong tac, cong tan, cong nam
tam trai » tam tri, tac trai, kham trai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sang - ((nhanh tinh) or (hoang manh)) cua thuong cong tam trai chan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - ((nhanh tinh) OR (hoang manh)) cua thuong cong tam trai chan.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - ((nhanh tinh) or (hoang manh)) cua thuong cong tam trai chan*.