Perhaps you should try some spelling variations:
thuong dong » phuong dong, tuong dong, chuong dong
cua thuong » cua truong, cua phuong, ca thuong
chieu sang » chieu sach, chieu xanh, hieu lang
hieu quan » hieu qua, lieu quan, thien quan
hanh mang » nhanh mang, hanh trang, nhanh lang
thuat bao » thuat bai, thuat giao, thuat do
mang cua » manh cua, dung cua, ban cua
dong tac » cong tac, dong tai, dong bac
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: ho ((chieu sang) or (hieu quan)) - hanh mang cua thuong dong tac ((thuat bao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu quan)) - hanh mang cua thuong dong tac ((thuat bao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (hieu quan)) - hanh mang cua thuong dong tac ((thuat bao) or (toan tap))*.