Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
hanh thanh » nhanh thanh, thanh thanh, khanh thanh
thanh toan » thanh hoa, thanh san, tinh toan
tong cong » trong cong, cong cong, dung cong
doc hieu » toc thieu, hoc thieu, hoc hien
thanh ha » thanh hoa, thanh hai, nhanh ha
ha tong » han tong, ha dong, ha tang

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu nganh - hanh thanh ha tong cong ((xuan toan) or (thanh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu nganh - hanh thanh ha tong cong ((xuan toan) OR (thanh toan)) cao.
• Adding a wildcard symbol may retrieve word variants: doc hieu nganh - hanh thanh ha tong cong ((xuan toan) or (thanh toan)) cao*.