Perhaps you should try some spelling variations:
theo chinh » thien chinh, te chinh, che chinh
cua nhung » va nhung
anh nang » ganh nang, anh bang, anh dang
nang cua » mang cua, hang cua, nang dua
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
tran ban » tranh ban, tran van, 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 chinh sach - anh nang cua nhung ((cong tan) or (cong san)) tran ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chinh sach - anh nang cua nhung ((cong tan) OR (cong san)) tran ban.
• Adding a wildcard symbol may retrieve word variants: theo chinh sach - anh nang cua nhung ((cong tan) or (cong san)) tran ban*.