Perhaps you should try some spelling variations:
vien thanh » viet thanh, tien thanh, dien thanh
nhung cong » dung cong, thong cong, hang cong
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
hoc vien » hoc hien, hoc viet, hoc tieng
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan tap
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc vien thanh - hanh tang cua nhung cong dan ((((toan cau) or (toan tai))) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc vien thanh - hanh tang cua nhung cong dan ((((toan cau) OR (toan tai))) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc vien thanh - hanh tang cua nhung cong dan ((((toan cau) or (toan tai))) or (toan ban))*.