Perhaps you should try some spelling variations:
thanh binh » thai binh, than kinh, tinh binh
binh su » hinh su, dinh su, tinh su
xua gia » cua gia, qua gia, xua kia
nam xua » nam cua, nam mua, nam qua
sach ty » sach tu, sach thu, xach tay
hieu va » hieu qua
su tien » su kien, su hien, tu tieng
nang o » nang co, nang ho, nang ro
o hoi » co hoi, o hoc, o hai

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 y)) nang o hoi. ((hieu va) OR (lieu va)) nam xua gia thanh binh su tien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach y)) nang o hoi. ((hieu va) OR (lieu va)) nam xua gia thanh binh su tien.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) or (sach y)) nang o hoi. ((hieu va) OR (lieu va)) nam xua gia thanh binh su tien".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach y)) nang o hoi. ((hieu va) OR (lieu va)) nam xua gia thanh binh su tien*.