Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
cham xuc » cam xuc, chat xuc, pham duc
vai cua » dai cua, hai cua, lai cua
tu sach » thu sach, su sach, te sach
hang ca » hang va, nang cao, hang tai
ly hang » ly quang
so sach » so sanh, bo sach, co sach
hieu ve » hieu va, hieu van
ca hoi » cau hoi, cua hoi, xa hoi

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) or (so sach)) ly hang ca hoi. hieu ve ((cham xuc) or (cham soc)) van hanh vai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (so sach)) ly hang ca hoi. hieu ve ((cham xuc) OR (cham soc)) van hanh vai cua viet.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (so sach)) ly hang ca hoi. hieu ve ((cham xuc) or (cham soc)) van hanh vai cua viet*.