Perhaps you should try some spelling variations:
phuong thong » phuong trong, thong thong, phuong hoang
hanh trinh » canh tranh, hanh chinh
thanh tung » thanh cong
cac phuong » cac truong
hoc tien » hoc tieng, hoc hien, hoc vien
tien anh » tieng anh, tien manh, dien anh
dan than » ban than, van than, dan toan
dan chan » dan gian, dan ca, van chat

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tien anh - ((thanh tung) OR (hanh trinh)) cac phuong thong ((dan than) OR (dan chan)) cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc tien anh - ((thanh tung) or (hanh trinh)) cac phuong thong ((dan than) OR (dan chan)) cap~".
• Adding a wildcard symbol may retrieve word variants: hoc tien anh - ((thanh tung) or (hanh trinh)) cac phuong thong ((dan than) OR (dan chan)) cap*.