Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
cua viet » ca viet, hoa viet, cua vat
ty hoang » ty hang, huy hoang, thi hoang
hoang xa » hoang ha, hoang va, hoang xuan
cua tre » cua te, cuu tre, cua triet
su sach » so sach, vu sach
xuc ban » duc ban, cuc ban, quoc ban
sach ty » sach y, sach tu, sach thu
van cam » van nam, van cau, van dam
van lam » van nam

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 ty hoang xa hoi. hieu ((van cam) OR (van lam)) xuc ban thanh vai ((cua tre) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty hoang xa hoi. hieu ((van cam) OR (van lam)) xuc ban thanh vai ((cua tre) OR (cua viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty hoang xa hoi. hieu ((van cam) OR (van lam)) xuc ban thanh vai ((cua tre) or (cua viet))".
• Adding a wildcard symbol may retrieve word variants: su sach ty hoang xa hoi. hieu ((van cam) OR (van lam)) xuc ban thanh vai ((cua tre) or (cua viet))*.