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
hieu ve » hieu va, hieu van
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
te sach » toc sach
ve cham » va cham, ve chat, vu cham
vi cua » vai cua, di cua

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 (te sach)) ky nang xa hoi. hieu ve cham soc ((va hanh) OR (va danh)) vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (te sach)) ky nang xa hoi. hieu ve cham soc ((va hanh) OR (va danh)) vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (te sach)) ky nang xa hoi. hieu ve cham soc ((va hanh) OR (va danh)) vi cua triet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (te sach)) ky nang xa hoi. hieu ve cham soc ((va hanh) OR (va danh)) vi cua triet*.