Perhaps you should try some spelling variations:
thanh dat » thanh san, thanh hai, thanh van
cau tren » cu tren, dau tren, ca tren
hanh dao » thanh dam, doanh dao, hanh duoc
sach ty » sach y, sach tu, sach thu
te sach » toc sach
cac xuc » cam xuc, cac nuoc, chat xuc
hieu va » lieu va, hieu qua
ty hang » ly hang, ty xang, thi hang
xuc va » duc va, tuc va, luc va
hang x » nang x, hoang xa, chang xu
x hoi » xa hoi, o hoi, x ho

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: te sach ty hang x hoi. hieu va cac xuc va ((((hanh dao) OR (thanh dat))) OR (lanh dao)) cau tren~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty hang x hoi. hieu va cac xuc va ((((hanh dao) OR (thanh dat))) or (lanh dao)) cau tren~".
• Adding a wildcard symbol may retrieve word variants: te sach ty hang x hoi. hieu va cac xuc va ((((hanh dao) OR (thanh dat))) or (lanh dao)) cau tren*.