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
chi xanh » chi anh, chi danh, chi hanh
cong van » cong vang, cong san, song van
tuan thu » toan thuc, van thu
quan cua » quan luan, ban cua, gian cua
doi chi » doi khi
tuan cu » tuan tu, than cua, quan cau

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