Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
tang van » dang van, hoang van, trong van
su sach » so sach, vu sach
danh di » danh du, danh dien, danh gia
xanh di » vanh dai, xanh tai
thuc xa » thuc xay, tuc xa, thuc va
va nham » va cham, va tham, va nha
tang ma » mang may
sach v » sach va, sach y, sach 2
cua su » qua su

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 v ((tang ma) or (tang van)) hoi. lieu va nham thuc xa ((xanh di) OR (danh di)) cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach v ((tang ma) OR (tang van)) hoi. lieu va nham thuc xa ((xanh di) OR (danh di)) cua su.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach v ((tang ma) or (tang van)) hoi. lieu va nham thuc xa ((xanh di) OR (danh di)) cua su".
• Adding a wildcard symbol may retrieve word variants: su sach v ((tang ma) or (tang van)) hoi. lieu va nham thuc xa ((xanh di) OR (danh di)) cua su*.