Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
cong van » cong vang, cong san, song van
tuan cu » quan cua, tuan thu, than cua
tuan tu » tuan thu, tran tu, toan tu

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: ((doi chi) OR (doi khi)) hanh - hanh trinh cua nhung cong van ((tuan cu) OR (tuan tu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chi) OR (doi khi)) hanh - hanh trinh cua nhung cong van ((tuan cu) or (tuan tu))~".
• Adding a wildcard symbol may retrieve word variants: ((doi chi) OR (doi khi)) hanh - hanh trinh cua nhung cong van ((tuan cu) or (tuan tu))*.