Perhaps you should try some spelling variations:
nhung duong » nhung dung, nhung huong, chuong duong
nhung tuong » nhung huong, nhung phuong, hung vuong
thieu sang » chieu sang, thieu khang, thieu quang
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
manh toan » thanh toan, anh tuan, tinh toan
toan tap » toan ban

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - hanh tranh cua ((nhung duong) OR (nhung tuong)) manh toan tap~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh tranh cua ((nhung duong) OR (nhung tuong)) manh toan tap*.