Perhaps you should try some spelling variations:
thanh trung » thanh tung
hanh tranh » canh tranh, hanh trinh, hanh trang
duong manh » duong van
thep tieu » theo tieu, thep thiet, thep viet
tieu nang » tiem nang, lieu nang, sieu nang
dung manh » dung danh, hung manh, tung manh
va thong » va thuong, va phuong, he thong
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: thep tieu nang - ((hanh tranh) or (thanh trung)) va thong ((dung manh) OR (duong manh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thep tieu nang - ((hanh tranh) OR (thanh trung)) va thong ((dung manh) OR (duong manh)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thep tieu nang - ((hanh tranh) or (thanh trung)) va thong ((dung manh) OR (duong manh)) toan ban".
• Adding a wildcard symbol may retrieve word variants: thep tieu nang - ((hanh tranh) or (thanh trung)) va thong ((dung manh) OR (duong manh)) toan ban*.