Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
ban hanh » ban hang
cua tre » cua te, cuu tre, cua triet
xuc ban » duc ban, cuc ban, quoc ban
hieu ve » hieu va, hieu van
sang ma » tang ma, nang ma, sang tao
ky sang » ky nang, ky dang, ky tang
ma hoi » mai hoi, xa hoi, ma hoa
ve cam » ve cham, ve cac, va cam
tu san » thu san, tu ban, tu can
tu sac » tu sach, tu cac, tu bac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu san)) ky sang ma hoi. hieu ve cam xuc ban hanh vi ((cua tre) OR (cau tren))~.
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu san)) ky sang ma hoi. hieu ve cam xuc ban hanh vi ((cua tre) or (cau tren))*.