Perhaps you should try some spelling variations:
thuc day » thuc dan, thuc vat
ve triet » va trien, su triet
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
va cham » va chat, va tham
thuc va » thuc vat, thuc dan
dinh ke » dinh ket, dinh ve, dinh le
xuc va » duc va, tuc va, luc va
ke ve » ke va, ke he, de ve

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky tang xa hoi. lieu va cham ((xuc va) or (((thuc va) OR (thuc day)))) dinh ke ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky tang xa hoi. lieu va cham ((xuc va) OR (((thuc va) OR (thuc day)))) dinh ke ve triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky tang xa hoi. lieu va cham ((xuc va) or (((thuc va) OR (thuc day)))) dinh ke ve triet".
• Adding a wildcard symbol may retrieve word variants: te sach ky tang xa hoi. lieu va cham ((xuc va) or (((thuc va) OR (thuc day)))) dinh ke ve triet*.