Perhaps you should try some spelling variations:
thien van » thi van
ban thanh » ban hanh, ban hang
dau tren » dau tien, dat tren, dau tieng
thanh ve » hanh ve, thanh va, thanh vien
tham soc » cham soc, tham nuoc, thai son
dang xay » dang van, van xay
soc ban » hoc ban, coc ban, so ban
te sach » toc sach
sach ty » sach y, sach tu, sach thu
lang xa » lang ha, lang van
ve dau » va dau, ve du, ke dau

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 ((lang xa) or (dang xay)) hoi. ((lieu va) or (thien van)) tham soc ban thanh ve dau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty ((lang xa) OR (dang xay)) hoi. ((lieu va) OR (thien van)) tham soc ban thanh ve dau tren.
• Adding a wildcard symbol may retrieve word variants: te sach ty ((lang xa) or (dang xay)) hoi. ((lieu va) or (thien van)) tham soc ban thanh ve dau tren*.