Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
vay doanh » van doanh, ly doanh, voi doanh
cua triet » cua viet, su triet, va triet
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cao tuc » dao tuc, cao duc, cao suc
tuc vay » tuc va, tu vay, tuc xay
va cao » va cac, va co, va dao
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: te sach ky lang xa hoi. hieu va cao tuc vay doanh van ((cua triet) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang xa hoi. hieu va cao tuc vay doanh van ((cua triet) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: te sach ky lang xa hoi. hieu va cao tuc vay doanh van ((cua triet) or (cua tu))*.