Perhaps you should try some spelling variations:
vat triet » va triet, va trien, ve triet
vay doanh » van doanh, ly doanh, voi doanh
pham thuc » phap thuc, pham chuc, nham thuc
va doanh » van doanh, va danh, hoa doanh
lang van » dang van, tang van, hoang van
van hoi » van hoa, van hoc, van hoe
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
van vat » van chat, nhan vat
te sach » toc sach

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 van hoi. hieu ve pham thuc ((va doanh) or (vay doanh)) van vat triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang van hoi. hieu ve pham thuc ((va doanh) OR (vay doanh)) van vat triet.
• Adding a wildcard symbol may retrieve word variants: te sach ky lang van hoi. hieu ve pham thuc ((va doanh) or (vay doanh)) van vat triet*.