Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
cua triet » cua viet, su triet, va triet
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
duc gia » quoc gia
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach v nang xa hoi. hieu ve pham duc gia ((thanh toan) or (doanh tai)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach v nang xa hoi. hieu ve pham duc gia ((thanh toan) OR (doanh tai)) cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach v nang xa hoi. hieu ve pham duc gia ((thanh toan) or (doanh tai)) cua triet*.