Perhaps you should try some spelling variations:
giap duc » giao duc, gia duc, giac duoc
tan hanh » tan thanh, tang hanh, toan hanh
thai cua » than cua, tai cuc, tri cua
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va giap » va giai, va gia, va giup
vai cua » dai cua, hai cua, lai cua
y nang » ky nang, ly nang, v nang

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 y nang xa hoi. hieu va giap duc tan hanh ((vai cua) or (thai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. hieu va giap duc tan hanh ((vai cua) OR (thai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu va giap duc tan hanh ((vai cua) or (thai cua)) tre*.