Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
xanh cay » xanh ca, nhanh cay, xanh lam
tai cua » thai cua, tai cuc, tri cua
anh tai » hanh tai, anh thai, vanh tai
van anh » van thanh, tuan anh, van minh
cac van » cac dan
cac cac » cac cach, ca cac, cac bac
hieu va » lieu va, hieu qua
sach ty » sach tu, sach thu, xach tay

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

• Performing a fuzzy search may retrieve terms with similar spellings: so ((sach ty) or (sach y)) ((xanh cay) OR (xanh a)) cho. hieu va cac cac van anh tai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so ((sach ty) OR (sach y)) ((xanh cay) OR (xanh a)) cho. hieu va cac cac van anh tai cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so ((sach ty) or (sach y)) ((xanh cay) OR (xanh a)) cho. hieu va cac cac van anh tai cua viet".
• Adding a wildcard symbol may retrieve word variants: so ((sach ty) or (sach y)) ((xanh cay) OR (xanh a)) cho. hieu va cac cac van anh tai cua viet*.