Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
cua viet » ca viet, hoa viet, cua vat
cham xuc » cam xuc, cham soc, pham duc
thanh va » thanh van, hanh va, thanh ha
dong hoa » dong co
dong hoc » dong co, dong luc
chat xuc » chat huu, cam xuc, chao xu
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
hien tu » khien tu, dien tu
va cua » va chua, via cua, ca cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky ((dong hoa) or (dong hoc)) hoi. hien tu ((cham xuc) OR (chat xuc)) van thanh va cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky ((dong hoa) OR (dong hoc)) hoi. hien tu ((cham xuc) OR (chat xuc)) van thanh va cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky ((dong hoa) or (dong hoc)) hoi. hien tu ((cham xuc) OR (chat xuc)) van thanh va cua viet".
• Adding a wildcard symbol may retrieve word variants: so sach ky ((dong hoa) or (dong hoc)) hoi. hien tu ((cham xuc) OR (chat xuc)) van thanh va cua viet*.