Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
tat thanh » tai thanh, ta thanh, tat thang
va triet » va thiet, va trien, ve triet
thuc tat » thuc vat, thuc tap, thuc tai
nam thuc » nam thuoc, am thuc, nam thu
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
vu sach » vu bach, su sach, vu khach
nang xa » lang xa, nang ma, mang xa
hieu ve » hieu van
hai va » hai van, thai va, hoi va

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky ((nang xa) OR (nang x)) hoi. ((hieu ve) or (hieu va)) nam thuc tat thanh hai va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky ((nang xa) OR (nang x)) hoi. ((hieu ve) OR (hieu va)) nam thuc tat thanh hai va triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky ((nang xa) OR (nang x)) hoi. ((hieu ve) or (hieu va)) nam thuc tat thanh hai va triet*".