Perhaps you should try some spelling variations:
tham thuc » nham thuc, pham thuc, tam thuc
danh tai » doanh tai, dinh tai, hanh tai
cau tren » cu tren, dau tren, ca tren
lang xa » dang xay, lang van
lang ha » long ha
va tham » van tham, va cham, va thanh
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
tai cau » tai cac, tai cao
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky ((lang xa) or (lang ha)) hoi. lieu va tham thuc va danh tai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky ((lang xa) OR (lang ha)) hoi. lieu va tham thuc va danh tai cau tren.
• Adding a wildcard symbol may retrieve word variants: te sac ky ((lang xa) or (lang ha)) hoi. lieu va tham thuc va danh tai cau tren*.