Perhaps you should try some spelling variations:
dan khanh » dang khanh, van khanh, dat khanh
cao thuc » cao thuoc, bao thuc, can thuc
dan hanh » dang hanh, dan thanh, ban hanh
te sach » toc sach
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang
va cao » va cac, va co, va dao
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: te sach y nang x hoi. lieu va cao thuc ((dan hanh) OR (dan khanh)) vi cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang x hoi. lieu va cao thuc ((dan hanh) OR (dan khanh)) vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: te sach y nang x hoi. lieu va cao thuc ((dan hanh) OR (dan khanh)) vi cuu tre*.