Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
hieu ke » hieu kem, chieu ke, hieu ky
ke chau » ke cau, ky chau, ke chiu
y nang » ky nang, ly nang, v nang
phu va » phuc va, phu la, phu ha
phu da » phu la, phu ha
vi va » vi van, vai va, vu 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 y nang xa hoi. hieu ke chau ((phu va) OR (phu da)) hanh vi va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang xa hoi. hieu ke chau ((phu va) OR (phu da)) hanh vi va triet".
• Adding a wildcard symbol may retrieve word variants: su sach y nang xa hoi. hieu ke chau ((phu va) OR (phu da)) hanh vi va triet*.