Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh cat » hanh cac, hanh luat, nhanh cay
cat cua » chat cua, ca cua, mat cua
truc va » thuc va, thuc vat, trung va
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
va cham » va chat, va tham
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: su sach ky nang ma hoi. hieu ((va cac) or (va cham)) ((duc va) or (truc va)) hanh cat cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang ma hoi. hieu ((va cac) OR (va cham)) ((duc va) OR (truc va)) hanh cat cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach ky nang ma hoi. hieu ((va cac) or (va cham)) ((duc va) or (truc va)) hanh cat cua triet*.