Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
nang mai » nang ma, nang tai, nang cai
lang mai » lang dai, lang hai, lang man
cuu tre » cua tre, cau tren, cau treo
tai cuu » tai cuc, tai buu, tai cua
thuc va » thuc dan, thuc day
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
va nay » va ngay, 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 ((thuc va) OR (thuc vat)) thanh 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 ((thuc va) OR (thuc vat)) thanh 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 ((thuc va) OR (thuc vat)) thanh tai cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu san ky ((nang mai) or (lang mai)) hoi. lieu va nay ((thuc va) OR (thuc vat)) thanh tai cuu tre*.