Perhaps you should try some spelling variations:
hanh tang » hanh trang, anh tang, hanh mang
hoc tien » hoc tieng, hoc vien, hoc tren
tang cua » mang cua, hang cua, tang luan
cua bang » chua bang, cua ban, cua dang
cong tap » cuong tap, cong tac, tong tap
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap

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) OR (hoc hien)) lang - hanh tang cua bang ((cong tap) OR (cong tan)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc tien) or (hoc hien)) lang - hanh tang cua bang ((cong tap) OR (cong tan)) toan cau~".
• Adding a wildcard symbol may retrieve word variants: ((hoc tien) or (hoc hien)) lang - hanh tang cua bang ((cong tap) OR (cong tan)) toan cau*.