Perhaps you should try some spelling variations:
sach tay » xach tay, sach hay, sach nay
vinh cuu » dinh cuu, sinh cua, dinh cu
va thanh » gia thanh, ban thanh, va tinh
dang xay » dang van, van xay
tham soc » cham soc, tham nuoc, thai son
te sach » toc sach
va hanh » van hanh, va danh, ban hanh
va tham » van tham, va cham, va thuat
hieu va » lieu va, hieu qua
lang xa » lang ha, lang van
cuu tre » cua tre, cau tren, cau treo

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 tay ((lang xa) OR (dang xay)) hoi. hieu va tham soc ((va hanh) or (va thanh)) vinh cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tay ((lang xa) OR (dang xay)) hoi. hieu va tham soc ((va hanh) OR (va thanh)) vinh cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tay ((lang xa) OR (dang xay)) hoi. hieu va tham soc ((va hanh) or (va thanh)) vinh cuu tre".
• Adding a wildcard symbol may retrieve word variants: te sach tay ((lang xa) OR (dang xay)) hoi. hieu va tham soc ((va hanh) or (va thanh)) vinh cuu tre*.