Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
dang xay » van xay
thanh vi » hanh vi, thanh va, thanh ve
luoc gia » quoc gia, luong gia, nuoc giai
dang van » hoang van, hang va
luc gia » duc gia, quoc gia, duc giao
te sach » toc sach
hieu ve » hieu va, hieu van
vi cau » va cau, ve cau, di cau
ve cam » ve cham, ve cac, va cam

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 y ((dang xay) OR (dang van)) hoi. hieu ve cam ((luc gia) or (luoc gia)) thanh vi cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((dang xay) OR (dang van)) hoi. hieu ve cam ((luc gia) OR (luoc gia)) thanh vi cau tren*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((dang xay) OR (dang van)) hoi. hieu ve cam ((luc gia) or (luoc gia)) thanh vi cau tren*".