Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
thinh le » trinh ly
thanh le » thanh ve, thanh de, thanh liem
thuc ban » thuoc ban, thuc dan, thu ban
ve nham » ve nha, ve cham
sach ty » sach y, sach thu, xach tay
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
sach tu » sach thu, cach tu, sach uu

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 ty) OR (sach tu)) lang xa hoi. hieu ve nham thuc ban ((thanh le) or (thinh le)) cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach tu)) lang xa hoi. hieu ve nham thuc ban ((thanh le) OR (thinh le)) cua vat.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) OR (sach tu)) lang xa hoi. hieu ve nham thuc ban ((thanh le) or (thinh le)) cua vat".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) OR (sach tu)) lang xa hoi. hieu ve nham thuc ban ((thanh le) or (thinh le)) cua vat*.