Perhaps you should try some spelling variations:
nang mai » nang ma, nang tai, lang mai
hieu van » hieu va, thien van, lieu va
bao thuc » cao thuoc, am thuc, va thuc
hanh lai » hanh lam, hanh tai, thanh lap
so sach » so sanh, bo sach, co sach
mai hoi » mai khoi, dai hoi, lai hoi
van bao » van ban, van dao
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
lai cua » dai cua, hai cua, lai chau
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cac) or (so sach)) ky nang mai hoi. hieu van bao thuc va hanh lai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cac) OR (so sach)) ky nang mai hoi. hieu van bao thuc va hanh lai cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu cac) or (so sach)) ky nang mai hoi. hieu van bao thuc va hanh lai cua te*.