Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
toc sac » toc sach, toc san, hoc sach
hieu te » hieu ve, hien te, hieu he
cua bao » cua ban, cua bo, cua bac
nang xa » nang x, lang xa, nang ma
sac ky » cac ky, sai ky
te cua » tue cua, le 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: toc sac ky nang xa hoi. hieu te cua bao ((va hanh) or (va danh)) di ((cua triet) OR (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sac ky nang xa hoi. hieu te cua bao ((va hanh) OR (va danh)) di ((cua triet) OR (su triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sac ky nang xa hoi. hieu te cua bao ((va hanh) or (va danh)) di ((cua triet) OR (su triet))".
• Adding a wildcard symbol may retrieve word variants: toc sac ky nang xa hoi. hieu te cua bao ((va hanh) or (va danh)) di ((cua triet) OR (su triet))*.