Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
su sach » so sach, vu sach
nang ma » tang ma, sang ma, nang cao
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, ve cai
di cua » dai cua, doi cua, de cua
va cam » va cham, va cac, va cao

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 y nang ma hoa. hieu ((ve cam) or (va cam)) luc ((va hanh) or (va danh)) di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang ma hoa. hieu ((ve cam) OR (va cam)) luc ((va hanh) OR (va danh)) di cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach y nang ma hoa. hieu ((ve cam) or (va cam)) luc ((va hanh) or (va danh)) di cua triet*.