Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
cham xuc » cam xuc, chat xuc, cham soc
te trang » ke trang, te trong, le trang
trang xa » trang va, trang ha, trong xa
danh vai » danh sai, danh va, dang van
so sach » so sanh, bo sach, co sach
sach te » sach tet, sach de, sach tu
hieu va » lieu va, hieu qua
hieu ve » hieu van
cuu tre » cua tre, cau tren, cau treo
xuc va » duc va, tuc va, luc va

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 te trang xa hoi. ((hieu ve) OR (hieu va)) cham xuc va ((danh vai) OR (doanh van)) cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach te trang xa hoi. ((hieu ve) OR (hieu va)) cham xuc va ((danh vai) OR (doanh van)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: so sach te trang xa hoi. ((hieu ve) OR (hieu va)) cham xuc va ((danh vai) OR (doanh van)) cuu tre*.