Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trang » thanh trung, canh tranh, hanh trinh
tieu hanh » dieu hanh, tiem hanh, tien hanh
nhan dang » nhan dan, phan dang, tran dang
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
toan tap » toan ban
toan cao » toan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu hanh - ((nhan dang) or (hanh trang)) cua nhung cong tan ((toan tap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu hanh - ((nhan dang) OR (hanh trang)) cua nhung cong tan ((toan tap) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo tieu hanh - ((nhan dang) or (hanh trang)) cua nhung cong tan ((toan tap) or (toan cao))*.