Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
thanh va » thanh van, hanh va, thanh ha
lang van » dang van, tang van, hoang van
cam luc » cam xuc, cau luc
luc gia » luoc gia, duc gia, quoc gia
te sach » toc sach
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay
va cam » va cham, va cac, va cao

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 ((lang xa) or (lang van)) hoi. hieu va cam luc gia ((hanh vi) or (thanh va)) cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((lang xa) OR (lang van)) hoi. hieu va cam luc gia ((hanh vi) OR (thanh va)) cau tren.
• Adding a wildcard symbol may retrieve word variants: te sach y ((lang xa) or (lang van)) hoi. hieu va cam luc gia ((hanh vi) or (thanh va)) cau tren*.