Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
cua viet » ca viet, hoa viet, cua vat
thanh vi » hanh vi, thanh va, thanh ve
thu sach » thuat sach, thuoc sach, thu hoach
hieu cua » hieu qua, dieu cua, bieu cua
lang van » dang van, tang van, hoang van
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
tu sach » su sach, te sach, tu cach
lang xa » lang ha, dang xay
vi cua » vai cua, di cua

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 (thu sach)) y ((lang xa) OR (lang van)) hoi. hieu cua cac xuc van thanh vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) y ((lang xa) OR (lang van)) hoi. hieu cua cac xuc van thanh vi cua viet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (thu sach)) y ((lang xa) OR (lang van)) hoi. hieu cua cac xuc van thanh vi cua viet*".