Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
cong thanh » dong thanh, cong trinh, cong tan
hanh dung » thanh dung, anh dung, hanh dong
cua thong » cua thuong, cua khong, cua tong
ho chieu » theo chieu, hoc thieu, doi chieu
dung cua » dung luan, dung cho
ho hieu » hoi hieu, nho hieu, co hieu
han tap » han tai, toan tap, nhan tai
san tay » ban tay, dan tay, han tay

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: ((ho hieu) OR (ho chieu)) lang - hanh dung cua thong cong thanh ((han tap) OR (san tay))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho hieu) OR (ho chieu)) lang - hanh dung cua thong cong thanh ((han tap) or (san tay))~".
• Adding a wildcard symbol may retrieve word variants: ((ho hieu) OR (ho chieu)) lang - hanh dung cua thong cong thanh ((han tap) or (san tay))*.