Perhaps you should try some spelling variations:
phuong thanh » phong thanh, truong thanh, phuong thao
hanh trinh » canh tranh, hanh chinh
thanh toan » thanh hoa, thanh san, tinh toan
tuan khuc » thuan thuc, luan thuc, quan khu
hoc tien » hoc tieng, hoc hien, hoc vien
tien anh » tieng anh, tien manh, dien anh
tuan thu » toan thuc, van thu
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc tien anh - hanh trinh ((tuan khuc) or (tuan thu)) phuong thanh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tien anh - hanh trinh ((tuan khuc) OR (tuan thu)) phuong thanh toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc tien anh - hanh trinh ((tuan khuc) or (tuan thu)) phuong thanh toan cao*.