Perhaps you should try some spelling variations:
kthien tinh » khien tinh, thien minh, tien tinh
thien tinh » khien tinh, thien minh, tien tinh
canh manh » lanh manh, canh tranh, cach mang
song cong » cong cong, tong cong, song hong
manh qua » manh quan, manh cua, danh qua
ban than » ban thanh, van thanh, ban hang
van than » van thanh, van thang, 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 ((thien tinh) or (kthien tinh)) - canh manh qua song cong ((ban than) or (van than)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien tinh) OR (kthien tinh)) - canh manh qua song cong ((ban than) OR (van than)) tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien tinh) or (kthien tinh)) - canh manh qua song cong ((ban than) or (van than)) tap*.