Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
hoc vien » hoc viet, hoc tieng, hoc vi
anh mang » hanh mang, anh bang, anh dang
mang cua » manh cua, dung cua, ban cua
cong ban » cong bang, cong san, cong tan
than man » thanh san, tran manh, than phan
than ma » than va, khan ma, nhan ma

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 vien) OR (hoc hien)) nganh - anh mang cua thong cong ban ((than man) OR (than ma))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc vien) or (hoc hien)) nganh - anh mang cua thong cong ban ((than man) OR (than ma))~".
• Adding a wildcard symbol may retrieve word variants: ((hoc vien) or (hoc hien)) nganh - anh mang cua thong cong ban ((than man) OR (than ma))*.