Perhaps you should try some spelling variations:
khanh luan » khanh thuan, doanh luan, hang luan
nhung cong » dung cong, thong cong, hang cong
hien manh » hien hanh, hieu manh, hien nhanh
tien manh » tien anh, tien thanh, tieng anh
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cao » toan ban, toan tap
luan va » luan van, luat va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien manh) OR (tien manh)) - khanh luan va nhung cong san toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien manh) OR (tien manh)) - khanh luan va nhung cong san toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien manh) OR (tien manh)) - khanh luan va nhung cong san toan cao*.