Perhaps you should try some spelling variations:
hanh luong » hang luong, thanh huong, thanh cuong
quang dung » quang trung, cuong dung
trong dang » truong dang, trong dan, trong dong
lieu tinh » trieu tinh, diep tinh, bien tinh
dang toan » dang tran, dan toan, dung toan
hoc lieu » hoc dieu, hoc sieu, hoc tieu
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 lieu tinh - hanh luong ((quang dung) OR (ung dung)) trong dang toan tap~".
• Adding a wildcard symbol may retrieve word variants: hoc lieu tinh - hanh luong ((quang dung) OR (ung dung)) trong dang toan tap*.