Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh van » thanh san, thanh toan, thanh phan
cau tren » dau tren, ca tren, cau treo
cham xuc » cam xuc, chat xuc, pham duc
tu sach » thu sach, su sach, te sach
cu tren » tu tren, dua tren
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
nang va » nang van, hang va, nang ma
va hoc » van hoc

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 nang va hoc. hieu va ((cham xuc) or (cham soc)) van thanh van ((cau tren) OR (cu tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang va hoc. hieu va ((cham xuc) OR (cham soc)) van thanh van ((cau tren) OR (cu tren))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang va hoc. hieu va ((cham xuc) or (cham soc)) van thanh van ((cau tren) OR (cu tren))*".