Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
loai tren » la tren, thai tren
thu sach » tu sach, thuat sach, thuoc sach
cham xuc » chat xuc, cham soc, pham duc
thanh vi » hanh vi, thanh va, thanh ve
cau tren » cu tren, dau tren, ca tren
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky nang xa hoi. hieu ve ((cham xuc) or (cam xuc)) van thanh vi ((cau tren) or (loai tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang xa hoi. hieu ve ((cham xuc) OR (cam xuc)) van thanh vi ((cau tren) OR (loai tren)).
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang xa hoi. hieu ve ((cham xuc) or (cam xuc)) van thanh vi ((cau tren) or (loai tren))*.