Perhaps you should try some spelling variations:
te sach » toc sach
sach ty » sach y, sach tu, sach thu
xang ma » tang ma, nang ma, sang ma
hieu va » lieu va, hieu qua
hanh di » hanh vi, hanh de, hang di
cau tre » cau tren, cau treo, cau tra
ma hoi » mai hoi, xa hoi, ma hoa
va lam » van lam, va lap
loc va » luc va
di cau » da cau, diem cau

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 ty xang ma hoi. hieu va lam ((loc va) or (hoc va)) hanh di cau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty xang ma hoi. hieu va lam ((loc va) OR (hoc va)) hanh di cau tre.
• Adding a wildcard symbol may retrieve word variants: te sach ty xang ma hoi. hieu va lam ((loc va) or (hoc va)) hanh di cau tre*.