Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh ve » hanh ve, thanh va, thanh vien
va thanh » gia thanh, ban thanh, va tinh
cham duc » pham duc, cham soc, pham duy
cua tre » cua te, cuu tre, dua tren
ve cham » va cham, ve chat, vu cham
tu cach » tu cac
sang ma » tang ma, nang ma, sang tao
ky sang » ky nang, ky dang, ky tang
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (su sach)) ky sang ma hoi. hieu ve cham duc va thanh ve ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (su sach)) ky sang ma hoi. hieu ve cham duc va thanh ve ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (su sach)) ky sang ma hoi. hieu ve cham duc va thanh ve ((cua tre) or (cua triet))*.