Perhaps you should try some spelling variations:
nang mai » nang ma, nang tai, lang mai
hanh tai » thanh tai, hang tai, han tai
te sach » toc sach
mai hoi » mai khoi, dai hoi, lai hoi
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
cuc tre » duc tre, cua tre, cuu tre
y nang » ky nang, ly nang, v nang
va nam » ha nam, va nay

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 ((va nam) or (van nam)) thuc va hanh tai cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang mai hoi. hieu ((va nam) OR (van nam)) thuc va hanh tai cuc tre.
• Adding a wildcard symbol may retrieve word variants: te sach y nang mai hoi. hieu ((va nam) or (van nam)) thuc va hanh tai cuc tre*.