Perhaps you should try some spelling variations:
khanh thanh » nhanh thanh, thanh thanh, phan thanh
hieu nganh » vien nganh, hiem ngan, hieu manh
thong cong » trong cong, tong cong, thong thong
doc hieu » toc thieu, hoc thieu, hoc hien
thanh ha » thanh hoa, thanh hai, nhanh ha
ha thong » hoa thong, nha thong, he thong

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 - khanh thanh ha thong cong ((xuan toan) or (tinh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu nganh - khanh thanh ha thong cong ((xuan toan) OR (tinh toan)) cao.
• Adding a wildcard symbol may retrieve word variants: doc hieu nganh - khanh thanh ha thong cong ((xuan toan) or (tinh toan)) cao*.