Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
trong quan » thong quan, tong quan, thong quang
trinh mat » trinh vat, trinh may, trinh mau
mat duong » mai duong, xuat duong, hai duong
trong tan » trong cac, trong ca, cong tan
toan tap » toan ban
so cuu » so huu, ho cuu, so cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: so cuu tinh - canh trinh mat duong ((trong tan) or (trong quan)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so cuu tinh - canh trinh mat duong ((trong tan) OR (trong quan)) toan tap.
• Adding a wildcard symbol may retrieve word variants: so cuu tinh - canh trinh mat duong ((trong tan) or (trong quan)) toan tap*.