Perhaps you should try some spelling variations:
thuc day » thuc dan, thuc vat
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
qua cac » cua cac
qua cam » qua cham, qua ca, qua cai
nang ma » tang ma, sang ma, nang cao
lua tre » cua tre, luy tre, dua tren
tuc va » thuc va, truc va, tuc xa
ma hoi » mai hoi, xa hoi, ma hoa
vi lua » vi luu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang ma hoi. hieu ((qua cam) OR (qua cac)) ((tuc va) OR (thuc day)) hanh vi lua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang ma hoi. hieu ((qua cam) OR (qua cac)) ((tuc va) or (thuc day)) hanh vi lua tre~".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang ma hoi. hieu ((qua cam) OR (qua cac)) ((tuc va) or (thuc day)) hanh vi lua tre*.