Perhaps you should try some spelling variations:
dau tren » dau tien, dat tren, dau tieng
cao tang » cao dang
hang van » hoang van, dang van, tang van
cham xuc » cam xuc, chat xuc, cham soc
ve cham » va cham, ve chat, vu cham
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
ma hoi » mai hoi, xa hoi, ma hoa
lo tan » lo van, lo ban
xuc va » duc va, tuc va, luc va

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 ((cao tang) or (lo tan)) ma hoi. hieu ve cham xuc va ((hang van) or (hang va)) dau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((cao tang) OR (lo tan)) ma hoi. hieu ve cham xuc va ((hang van) OR (hang va)) dau tren.
• Adding a wildcard symbol may retrieve word variants: tu sach ((cao tang) or (lo tan)) ma hoi. hieu ve cham xuc va ((hang van) or (hang va)) dau tren*.