Perhaps you should try some spelling variations:
dan thanh » dang thanh, danh thanh, ban thanh
cam thuc » am thuc, nam thuc, cam thu
thuc dan » thuc hanh, hoc dan, thuc vat
thanh di » thanh doi, thanh de, thanh do
su sach » so sach
vu sach » vu bach, vu khach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cuu tre » cua tre, cau tren, cau treo
v nang » va nang, vu nang, van nang
ve cam » ve cham, ve cac, va cam
di cuu » di cau, di cua, dinh cuu

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) OR (vu sach)) v nang xa hoi. hieu ve cam thuc dan thanh di cuu tre~.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) v nang xa hoi. hieu ve cam thuc dan thanh di cuu tre*.