Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh vai » hanh vi, hanh va, hanh tai
thuc dan » thuc hanh, hoc dan
sach ky » sac ky, sach y, sach ty
vai cua » dai cua, hai cua, lai cua
su sach » so sach, vu sach
lang ha » long ha
ky lang » ky nang, ky dang, ky tang
ha hoi » hoa hoi, ha noi, xa hoi
va lam » van lam, va lap
va am » va cam

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 ha hoi. lieu ((va am) OR (va lam)) ((thuc dan) or (thuc vat)) hanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky lang ha hoi. lieu ((va am) OR (va lam)) ((thuc dan) OR (thuc vat)) hanh vai cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky lang ha hoi. lieu ((va am) OR (va lam)) ((thuc dan) or (thuc vat)) hanh vai cua triet*".