Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
thanh ve » hanh ve, thanh va, thanh vien
truc gia » truc giac, tuc gia, thuc giai
xach tay » canh tay
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
sach tu » sach thu, cach tu, sach ty
hieu ve » hieu van
ve cau » ke cau, va cau, ve cac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te ((xach tay) or (sach tu)) nang xa hoi. ((hieu ve) or (hieu va)) cau truc gia thanh ve cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((xach tay) OR (sach tu)) nang xa hoi. ((hieu ve) OR (hieu va)) cau truc gia thanh ve cau treo.
• Adding a wildcard symbol may retrieve word variants: te ((xach tay) or (sach tu)) nang xa hoi. ((hieu ve) or (hieu va)) cau truc gia thanh ve cau treo*.