Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh chua » tranh cua, trinh chuan, tranh chap
hoc thieu » toc thieu, hoc hien
chua dong » cua dong, ha dong, huy dong
dong cong » duong cong, dung cong, dang cong
so thiet » soc thiet, hoc thiet, hoa thiet
tan toan » tap toan, van toan, dan toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (so thiet)) tach - hanh tranh chua dong cong ((tan toan) OR (tan tran)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (so thiet)) tach - hanh tranh chua dong cong ((tan toan) OR (tan tran)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (so thiet)) tach - hanh tranh chua dong cong ((tan toan) OR (tan tran)) ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (so thiet)) tach - hanh tranh chua dong cong ((tan toan) OR (tan tran)) ban*.