Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo phap » thi phap
phap tang » phap nang, phap tieng
hanh tang » hanh trang, hanh mang, hanh tung
cua nhung » va nhung
anh tang » anh bang, anh dang, anh nang
cong tac » cong ty
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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: theo phap tang - ((hanh tang) OR (anh tang)) cua nhung cong tac ((toan cau) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo phap tang - ((hanh tang) OR (anh tang)) cua nhung cong tac ((toan cau) or (toan tap))~".
• Adding a wildcard symbol may retrieve word variants: theo phap tang - ((hanh tang) OR (anh tang)) cua nhung cong tac ((toan cau) or (toan tap))*.