Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
trinh luan » trinh luat, trinh quan, trinh han
luan nhung » luan chung, luan hung, quan nhung
nhung dong » nhung don, nhung cong, nhung dung
dong kinh » trong kinh
kinh toan » tinh toan, hinh toan, minh toan
toan ban » van ban

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 trinh luan nhung dong kinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu nganh) OR (chieu xanh)) - hanh trinh luan nhung dong kinh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu nganh) or (chieu xanh)) - hanh trinh luan nhung dong kinh toan ban*.