Perhaps you should try some spelling variations:
thang thuong » hang thuong, thong thuong, than thuong
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
tung thang » trung thang, hung thang, cung thang
thuong con » thuong dong, truong cong, thong cong
ho chieu » theo chieu, hoc thieu, mot chieu
tran tap » toan tap, tran tan, tran tuan
con tap » cong tac, toan tap, cong tan
quang » quan

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 - thanh tung thang thuong con tap ((tran tap) or (tran quang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh tung thang thuong con tap ((tran tap) OR (tran quang)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh tung thang thuong con tap ((tran tap) or (tran quang))*.