Perhaps you should try some spelling variations:
thieu bien » thieu nien, tieu bieu, hien bien
dang xay » dang van, van xay
van hanh » van thanh, ban hanh, van anh
cua viet » ca viet, hoa viet, cua vat
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
bien ca » bien cac, bien cua, bien va
xuc van » duc van, luc van, vuc van
ca xuc » cam xuc, chat xuc
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 ky ((dang xay) OR (nang x)) hoi. thieu bien ca xuc van hanh vi cua viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky ((dang xay) OR (nang x)) hoi. thieu bien ca xuc van hanh vi cua viet".
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((dang xay) OR (nang x)) hoi. thieu bien ca xuc van hanh vi cua viet*.