Perhaps you should try some spelling variations:
thanh di » thanh doi, thanh de, thanh do
va thanh » gia thanh, ban thanh, va tinh
kho tang » cao tang
tu sach » thu sach, su sach, te sach
cua tre » cua te, cua triet, dua tren
nam xuc » cam xuc, nam xua, nam thuc
cuu tre » cau tren, cau treo
hieu va » lieu va, hieu qua
ky tang » ky nang, ky dang, ky trong
xuc va » duc va, tuc va, luc va
va nam » van nam, ha nam, va nay

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((ky tang) OR (kho tang)) xa hoi. hieu va nam xuc va thanh di ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky tang) OR (kho tang)) xa hoi. hieu va nam xuc va thanh di ((cua tre) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ky tang) OR (kho tang)) xa hoi. hieu va nam xuc va thanh di ((cua tre) or (cuu tre))*".