Perhaps you should try some spelling variations:
theo hien » theo chieu, thuc hien, theo tieu
hien hanh » dieu hanh
tang luan » dung luan
cong cong » cong dong, trong cong, dung cong
hang cua » mang cua, hang ca, huong cua
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 hien hanh - hanh ((tang luan) or (hang cua)) cong cong tan ((toan tap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hien hanh - hanh ((tang luan) OR (hang cua)) cong cong tan ((toan tap) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo hien hanh - hanh ((tang luan) or (hang cua)) cong cong tan ((toan tap) or (toan cao))*.