Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
sach ty » sach y, sach tu, sach thu
va danh » va dinh, va dan, va hanh
tu sach » thu sach, su sach, te sach
xa danh » dia danh, nam danh, van danh
hieu he » hieu ve, hiem he, hieu le
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
he nam » ha nam, nghe nam

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