Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
ban thanh » ban hanh, ban hang
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty hang » ly hang, ty xang, thi hang
hang xu » chang xu, hanh xu, han xu
hieu va » hieu qua
cam cua » ca cua, nam cua, cau cua
xu hoi » xa hoi, lu hoi, vu hoi
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty hang xu hoi. ((hieu va) or (lieu va)) cam cua ban thanh dai ((cua te) OR (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty hang xu hoi. ((hieu va) OR (lieu va)) cam cua ban thanh dai ((cua te) OR (cua tu))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty hang xu hoi. ((hieu va) or (lieu va)) cam cua ban thanh dai ((cua te) OR (cua tu))*".