Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh vai » hanh vi, hanh va, hanh tai
vai cua » dai cua, hai cua, lai cua
su sach » vu sach
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
so sach » so sanh, bo sach, co sach
qua cam » qua cham, qua cac, qua ca
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa

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) or (so sach)) ky lang xa hoi. hieu qua cam ((xuc va) OR (tuc va)) hanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ky lang xa hoi. hieu qua cam ((xuc va) OR (tuc va)) hanh vai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (so sach)) ky lang xa hoi. hieu qua cam ((xuc va) OR (tuc va)) hanh vai cua triet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) ky lang xa hoi. hieu qua cam ((xuc va) OR (tuc va)) hanh vai cua triet*.