Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
su triet » su viet, su tien, ve triet
khien tu » dien tu
thanh va » thanh van, hanh va, thanh ha
dong hoa » dong hoc
cham xuc » cam xuc, chat xuc, cham soc
xuc van » duc van, luc van, vuc van
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
hien tu » dien tu

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 co)) hoi. ((hien tu) or (khien tu)) cham xuc van thanh va su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky ((dong hoa) OR (dong co)) hoi. ((hien tu) OR (khien tu)) cham xuc van thanh va su triet.
• Adding a wildcard symbol may retrieve word variants: so sach ky ((dong hoa) or (dong co)) hoi. ((hien tu) or (khien tu)) cham xuc van thanh va su triet*.