Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
qua cham » qua hai, qua cac, va cham
cham tuc » nham thuc, pham thuc, tham thuc
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
y nang » ky nang, ly nang, v nang
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach y nang xa hoi. hieu qua cham tuc ((va hanh) OR (va danh)) di cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang xa hoi. hieu qua cham tuc ((va hanh) OR (va danh)) di cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu qua cham tuc ((va hanh) OR (va danh)) di cua triet*.