Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trung » thanh trung, hanh trang, manh trung
dong doanh » dung doanh, trong doanh, doanh doanh
trung kha » trung khoa, trung ha, truong khoa
dung dong » dung cong, vung dong, dung trong
doanh van » doan van, doanh va, doanh ban
kha dung » khoa dung, khao dung, nha dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu nganh) or (chieu xanh)) - hanh trung kha dung dong doanh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu nganh) OR (chieu xanh)) - hanh trung kha dung dong doanh van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu nganh) or (chieu xanh)) - hanh trung kha dung dong doanh van ban*.