Perhaps you should try some spelling variations:
chuong cong » cuong cong, chong cong, chuong dong
hanh tranh » canh tranh, hanh trinh, hanh trang
thien danh » thien anh, thien dang, thien thanh
cac chuong » cac phuong, cac chung, cac truong
thieu anh » thien anh, chieu xanh, thieu nhi
tranh cac » trinh cac, thanh cac, tranh cai
van tan » van tuan, van ban, van thanh
van tai » von tai, van tuan

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 anh) or (thien danh)) - hanh tranh cac chuong cong ((van tan) OR (van tai)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu anh) OR (thien danh)) - hanh tranh cac chuong cong ((van tan) OR (van tai)) cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu anh) or (thien danh)) - hanh tranh cac chuong cong ((van tan) OR (van tai)) cau*".