Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
qua cham » qua hai, qua cac, va cham
cham duc » pham duc, cham soc, pham duy
su triet » su viet, su tien, ve triet
vu sach » su sach, vu khach
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh

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

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