Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
so sach » so sanh, bo sach, co sach
hieu le » hieu ve, hieu he, hieu ly
cuu tre » cua tre, cau tren, cau treo
y nang » ly nang, v nang, may nang
le dat » le dan, de dat, le dac
vi cuu » vi luu, vinh cuu
nuoc » quoc, duoc, ngoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ((y nang) OR (ky nang)) xa hoi. hieu le dat nuoc va thanh vi cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ((y nang) OR (ky nang)) xa hoi. hieu le dat nuoc va thanh vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: so sach ((y nang) OR (ky nang)) xa hoi. hieu le dat nuoc va thanh vi cuu tre*.