Perhaps you should try some spelling variations:
thai cua » than cua, tai cuc, tri cua
tan hanh » tan thanh, tang hanh, toan hanh
tu sach » thu sach, su sach, te sach
vai cua » dai cua, hai cua, lai cua
gia duc » giao duc, gia muc, gia thuc
hieu va » lieu va, hieu qua
ly vang » ly hang, ly van, ly quang
ly nang » ky nang, ly hang, ly quang
va gia » va giai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((ly nang) or (ly vang)) x ho. hieu va gia duc tan hanh ((vai cua) or (thai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ly nang) OR (ly vang)) x ho. hieu va gia duc tan hanh ((vai cua) OR (thai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ly nang) or (ly vang)) x ho. hieu va gia duc tan hanh ((vai cua) or (thai cua)) tre*.