Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cham tuc » nham thuc, pham thuc, tham thuc
hoc sach » hoc sinh, hoc cac, hoc anh
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
vai cua » dai cua, hai cua, lai cua
su sach » so sach, vu sach

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 (hoc sach)) ky nang xa hoi. hieu ve cham tuc ((va hanh) OR (va danh)) vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (hoc sach)) ky nang xa hoi. hieu ve cham tuc ((va hanh) OR (va danh)) vai cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (hoc sach)) ky nang xa hoi. hieu ve cham tuc ((va hanh) OR (va danh)) vai cua triet*".