Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh cat » hanh cac, hanh luat, nhanh cay
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
va hanh » van hanh, va thanh, va danh
cat cua » chat cua, ca cua, mat cua
ma hoi » mai hoi, xa hoi, ma hoa
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky nang ma hoi. hieu ((ve cam) or (va cam)) luc va hanh cat cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang ma hoi. hieu ((ve cam) OR (va cam)) luc va hanh cat cua triet*.