Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
cam thuc » am thuc, nam thuc, cam thu
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
thuc va » thuc vat, thuc dan, thuc day
cuu tre » cua tre, cau tren, cau treo
va cam » va cham, va cac, va cao
vi cuu » vi luu, vinh cuu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vay khach) or (thu sach)) ky nang x hoi. lieu va cam thuc va thanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vay khach) OR (thu sach)) ky nang x hoi. lieu va cam thuc va thanh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((vay khach) or (thu sach)) ky nang x hoi. lieu va cam thuc va thanh vi cuu tre*.