Perhaps you should try some spelling variations:
nang mai » nang ma, nang tai, nang cai
hanh tai » thanh tai, hang tai, han tai
lang mai » lang dai, lang hai, lang man
cuu tre » cua tre, cau tren, cau treo
va ngay » tan ngay
tai cuu » tai cuc, tai buu, tai cua
va hanh » van hanh, va thanh, va danh
thuc va » thuc vat, thuc dan, thuc day
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
va nay » va cay

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky ((nang mai) or (lang mai)) hoi. lieu ((va nay) OR (va ngay)) thuc va hanh tai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky ((nang mai) OR (lang mai)) hoi. lieu ((va nay) OR (va ngay)) thuc va hanh tai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ky ((nang mai) or (lang mai)) hoi. lieu ((va nay) OR (va ngay)) thuc va hanh tai cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu san ky ((nang mai) or (lang mai)) hoi. lieu ((va nay) OR (va ngay)) thuc va hanh tai cuu tre*.