Perhaps you should try some spelling variations:
thanh cua » tranh cua, than cua, hanh cua
van thanh » ban thanh, van tuan
va triet » va thiet, va trien, ve triet
sach ky » sac ky, sach y, sach ty
loc van » luoc van, hoc van, lo van
cam loc » cam lo
hieu va » lieu va, hieu qua
su sach » so sach, vu sach
nang xa » lang xa, nang ma, mang xa
hieu ve » hieu van
cua va » cua vat, chua va, cua van

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky ((nang xa) OR (nang x)) hoi. ((hieu ve) or (hieu va)) cam loc van thanh cua va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky ((nang xa) OR (nang x)) hoi. ((hieu ve) OR (hieu va)) cam loc van thanh cua va triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky ((nang xa) OR (nang x)) hoi. ((hieu ve) or (hieu va)) cam loc van thanh cua va triet".
• Adding a wildcard symbol may retrieve word variants: su sach ky ((nang xa) OR (nang x)) hoi. ((hieu ve) or (hieu va)) cam loc van thanh cua va triet*.