Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
sang tai » hang tai, sang tao, tang tai
thuc day » thuc dan, thuc vat
tai hai » thi hai, dai hai, tai ha
qua cac » cua cac
thuc va » thuc vat, thuc dan
cuu tre » cua tre, cau tren, cau treo
y sang » _ sang, duy sang
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach y sang tai hai. hieu qua cac ((thuc va) OR (thuc day)) hanh vi cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach y sang tai hai. hieu qua cac ((thuc va) OR (thuc day)) hanh vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: thuat sach y sang tai hai. hieu qua cac ((thuc va) OR (thuc day)) hanh vi cuu tre*.