Perhaps you should try some spelling variations:
thuc day » thuc dan, thuc vat
va triet » va thiet, va trien, ve triet
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
hieu le » hieu ve, hieu he, hieu ly
thuc va » thuc vat, thuc dan
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
le am » le ham, le nam, le a
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: tu sac ky dang xa hoi. hieu le am ((thuc va) OR (thuc day)) hanh vi va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky dang xa hoi. hieu le am ((thuc va) OR (thuc day)) hanh vi va triet".
• Adding a wildcard symbol may retrieve word variants: tu sac ky dang xa hoi. hieu le am ((thuc va) OR (thuc day)) hanh vi va triet*.