Perhaps you should try some spelling variations:
dang xay » dang van, van xay
sau benh » san benh, phau benh, tai benh
te sach » toc sach
xay hoi » xa hoi, tay hoi, cay phoi
hieu va » lieu va
soc sau » hoc sau
benh vi » benh va, benh ve, benh li
cua tre » cua te, cuu tre, cua triet
y dang » ky dang, 2 dang, _ dang
vi cua » vai cua, di cua

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 dang xay hoi. ((hieu va) OR (hieu qua)) cham soc sau benh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y dang xay hoi. ((hieu va) OR (hieu qua)) cham soc sau benh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach y dang xay hoi. ((hieu va) OR (hieu qua)) cham soc sau benh vi cua tre*.