Perhaps you should try some spelling variations:
cham truc » cau truc, nham thuc, pham thuc
toc sach » hoc sach, doc sach, thuoc sach
truc ban » thuc ban, truc dan, truc van
ban hanh » ban hang
hanh dai » hanh tai, hanh dao, vanh dai
cau tren » cu tren, dau tren, ca tren
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cham » va chat, va tham
dai cau » dat cau, da cau, dai hau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ty nang xa hoi. hieu va cham truc ban hanh dai cau tren~.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) ty nang xa hoi. hieu va cham truc ban hanh dai cau tren*.