Perhaps you should try some spelling variations:
theo chinh » thien chinh, te chinh, che chinh
nhan dang » nhan dan, phan dang, tran dang
cua nhung » va nhung
dang cua » dung cua, dong cua, mang cua
cong tan » cong tac, cong san, cong thanh
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap

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

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