Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
nhanh ha » thanh hoa, thanh hai, khanh hoa
xuc gia » duc gia, tuc gia, quoc gia
cuu tre » cua tre, cau treo
luc gia » luoc gia, duc gia, quoc gia
te sach » toc sach
hieu ve » hieu va, hieu van
sach v » sach va, sach y, sach 2
ve cac » va cac, vien cac
v nang » va nang, vu nang, van nang
x hoi » xa hoi, o hoi, x ho

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 v nang x hoi. hieu ve cac ((xuc gia) or (luc gia)) nhanh ha ((cuu tre) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v nang x hoi. hieu ve cac ((xuc gia) OR (luc gia)) nhanh ha ((cuu tre) OR (cau tren)).
• Adding a wildcard symbol may retrieve word variants: te sach v nang x hoi. hieu ve cac ((xuc gia) or (luc gia)) nhanh ha ((cuu tre) or (cau tren))*.