Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
van thiet » va thiet, dan thiet, can thiet
chat xuc » chat huu, cam xuc, chat cua
thanh vi » hanh vi, thanh va, thanh ve
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
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: su sach ky lang xa hoi. hieu ve ((chat xuc) or (chao xu)) van thanh vi van thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky lang xa hoi. hieu ve ((chat xuc) OR (chao xu)) van thanh vi van thiet.
• Adding a wildcard symbol may retrieve word variants: su sach ky lang xa hoi. hieu ve ((chat xuc) or (chao xu)) van thanh vi van thiet*.