Perhaps you should try some spelling variations:
xuc tang » tuc tang, duc tang, duc thang
tang van » dang van, hoang van, trong van
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
van cau » van dau, van hau, van chat
van tai » von tai, van tuan
y nang » ky nang, ly nang, v nang
cuc te » cua te, cuc thue, cuc tieu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. thien ((((van lam) OR (van nam))) OR (van cau)) xuc tang van tai cuc te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang xa hoi. thien ((((van lam) OR (van nam))) or (van cau)) xuc tang van tai cuc te~".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. thien ((((van lam) OR (van nam))) or (van cau)) xuc tang van tai cuc te*.