Perhaps you should try some spelling variations:
hanh cat » hanh cac, hanh luat, nhanh cay
cau treo » cau theo, cau tren, cau triet
su sach » so sach, vu sach
hieu va » lieu va, hieu qua
cac tuc » cac toc, cac tac, cac nuoc
va hanh » van hanh, va thanh, va danh
cat cau » dat cau, ca cau, cac cau
y nang » ky nang, ly nang, v nang
cac tu » cac thu, cach tu, cac du

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y nang ((le hoi) or (ma hoa)). hieu va ((cac tuc) or (cac tu)) va hanh cat cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang ((le hoi) OR (ma hoa)). hieu va ((cac tuc) OR (cac tu)) va hanh cat cau treo.
• Adding a wildcard symbol may retrieve word variants: su sach y nang ((le hoi) or (ma hoa)). hieu va ((cac tuc) or (cac tu)) va hanh cat cau treo*.