Perhaps you should try some spelling variations:
cham coc » cham soc, kham cuoc, chat co
dang xay » dang van, van xay
hanh vai » hanh vi, hanh va, hanh tai
ban hanh » ban hang
su sach » so sach, vu sach
cuu tre » cua tre, cau tren, cau treo
coc ban » co ban, cac ban, hoc ban
hieu va » lieu va, hieu qua
sach tu » sach thu, cach tu, sach ty
hieu ve » hieu van
xay hoi » xa hoi, tay hoi, cay phoi
tu dang » thu dang, tu dong, su dang
cua tu » cua tuc, cua su, cua cu

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 tu dang xay hoi. ((hieu ve) OR (hieu va)) cham coc ban hanh vai ((cuu tre) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach tu dang xay hoi. ((hieu ve) OR (hieu va)) cham coc ban hanh vai ((cuu tre) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach tu dang xay hoi. ((hieu ve) OR (hieu va)) cham coc ban hanh vai ((cuu tre) or (cua tu))".
• Adding a wildcard symbol may retrieve word variants: su sach tu dang xay hoi. ((hieu ve) OR (hieu va)) cham coc ban hanh vai ((cuu tre) or (cua tu))*.