Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
cua nhung » va nhung
ho thiet » hoa thiet, so thiet, hoc thieu
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban
anh ban » anh bang, anh bai, anh van
ban cua » ban quan

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 thiet) OR (ho thiet)) tach - anh ban cua nhung cong dan ((toan cau) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thiet) or (ho thiet)) tach - anh ban cua nhung cong dan ((toan cau) OR (toan tap))~".
• Adding a wildcard symbol may retrieve word variants: ((hoc thiet) or (ho thiet)) tach - anh ban cua nhung cong dan ((toan cau) OR (toan tap))*.