Perhaps you should try some spelling variations:
nang mai » nang ma, nang tai, lang mai
va thanh » gia thanh, ban thanh, va tinh
thai cua » than cua, tai cuc, tri cua
te sach » toc sach
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
tai cuu » tai cuc, tai buu, tai cua
y nang » ky nang, ly nang, v nang
ve cac » va cac, vien cac
du va » dau va, tu va, su va

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 y nang mai hoi. hieu ve cac du va thanh ((tai cuu) or (thai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang mai hoi. hieu ve cac du va thanh ((tai cuu) OR (thai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: te sach y nang mai hoi. hieu ve cac du va thanh ((tai cuu) or (thai cua)) tre*.