Perhaps you should try some spelling variations:
nam thuoc » nam thuc, nam thu, nha thuoc
kly nang » ky nang, ki nang, kha nang
ly nang » ky nang, ly hang, ly vang
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau tren, cau treo
vi cuu » vi luu, vinh cuu
x hoi » xa hoi, o hoi, x ho
bach » sach, cach, bac
thuc » thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu bach ((ly nang) or (kly nang)) x hoi. hieu ve ((am thuc) or (nam thuoc)) va hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu bach ((ly nang) OR (kly nang)) x hoi. hieu ve ((am thuc) OR (nam thuoc)) va hanh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: vu bach ((ly nang) or (kly nang)) x hoi. hieu ve ((am thuc) or (nam thuoc)) va hanh vi cuu tre*.