Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
dieu cua » dieu tra
sach ky » sac ky, sach y, sach ty
te sach » toc sach
tang xa » trang xa, tang ma, lang xa
ky tang » ky nang, ky dang, kho tang
ve cham » va cham, ve chat, vu cham
ve cac » va cac, vien cac
va dan » ca dan, va dao, va dap
va dau » va dao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky tang xa hoi. hieu ((ve cac) or (ve cham)) xuc ((va dan) OR (va dau)) dieu cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky tang xa hoi. hieu ((ve cac) OR (ve cham)) xuc ((va dan) OR (va dau)) dieu cua viet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky tang xa hoi. hieu ((ve cac) or (ve cham)) xuc ((va dan) OR (va dau)) dieu cua viet*".