Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh luan » trinh luan, trinh luat, doanh luan
chau tinh » cuu tinh, ha tinh, cac tinh
luan nang » luan van, van nang, luan san
nang cong » nang song, dang cong, bang cong
cua tinh » cua sinh, va tinh, ha tinh
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chau tinh) OR (cua tinh)) - hanh tranh luan nang cong tan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chau tinh) OR (cua tinh)) - hanh tranh luan nang cong tan toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chau tinh) OR (cua tinh)) - hanh tranh luan nang cong tan toan cao*.