Perhaps you should try some spelling variations:
thanh nha » thanh nhan, thanh ha, thanh nga
nam thuoc » nam thuc, nam thu, nha thuoc
cam thuc » am thuc, nam thuc, cam thu
da thanh » dao thanh, dat thanh, dam thanh
vu sach » vu bach, vu khach
nha cuu » nha cua, nha chu, nha cu
cuu tre » cua tre, cau tren, cau treo
hieu ve » hieu va, hieu van
su sach » so sach
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: ((vu sach) OR (su sach)) ky nang x hoi. hieu ve ((cam thuc) or (nam thuoc)) da thanh nha cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (su sach)) ky nang x hoi. hieu ve ((cam thuc) OR (nam thuoc)) da thanh nha cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) OR (su sach)) ky nang x hoi. hieu ve ((cam thuc) or (nam thuoc)) da thanh nha cuu tre*".