Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh vi » hanh vi, thanh va, thanh ve
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
luc gia » luoc gia, duc gia, quoc gia
cua tre » cua te, cuu tre, dua tren
va cao » va co, va dao, va bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky lang xa hoi. lieu ((va cao) OR (va cac)) luc gia thanh vi ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky lang xa hoi. lieu ((va cao) OR (va cac)) luc gia thanh vi ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky lang xa hoi. lieu ((va cao) OR (va cac)) luc gia thanh vi ((cua tre) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: su sach ky lang xa hoi. lieu ((va cao) OR (va cac)) luc gia thanh vi ((cua tre) or (cua triet))*.