Perhaps you should try some spelling variations:
thien van » thi van
van doanh » toan doanh, van dong, van thanh
cua triet » cua viet, su triet, va triet
lang van » dang van, tang van, hoang van
nhan cua » nhat cua, nhan luc, nhan su
te sach » toc sach
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, dang xay
van lam » van nam
lam duc » lam duoc, pham duc, nam duoc
duc van » duc va, duc tan, duc manh

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) or (lang van)) hoi. thien van lam duc van doanh nhan cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((lang xa) OR (lang van)) hoi. thien van lam duc van doanh nhan cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ky ((lang xa) or (lang van)) hoi. thien van lam duc van doanh nhan cua triet*.