Perhaps you should try some spelling variations:
doanh va » doan va, doanh tai, doanh cua
su triet » su viet, su tien, ve triet
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
hieu ve » hieu va, hieu van
ve dam » ven dam, ke dam, va dam
dam tu » nam tu, cam tu, tam tu
anh va » hanh va

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 dang xa hoi. hieu ve dam tu va ((doanh va) or (anh va)) su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky dang xa hoi. hieu ve dam tu va ((doanh va) OR (anh va)) su triet.
• Adding a wildcard symbol may retrieve word variants: te sach ky dang xa hoi. hieu ve dam tu va ((doanh va) or (anh va)) su triet*.