Perhaps you should try some spelling variations:
sach kem » hanh kem
su triet » su viet, su tien
ve triet » va trien
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va

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 kem) or (sac ky)) nang xa hoi. lieu va cam xuc va hanh vi ((su triet) OR (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach kem) OR (sac ky)) nang xa hoi. lieu va cam xuc va hanh vi ((su triet) OR (ve triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach kem) or (sac ky)) nang xa hoi. lieu va cam xuc va hanh vi ((su triet) OR (ve triet))".
• Adding a wildcard symbol may retrieve word variants: su ((sach kem) or (sac ky)) nang xa hoi. lieu va cam xuc va hanh vi ((su triet) OR (ve triet))*.