Perhaps you should try some spelling variations:
cham thuc » nham thuc, pham thuc, tham thuc
sinh ty » sinh ly, sinh y, sinh tu
ty nang » ky nang, ty xang, ty hang
va cham » va chat, va tham
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
hai cua » thai cua, dai cua, lai cua
hoi cua » hoi chuc
nang o » nang co, nang ho, nang ro
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sinh ty nang o hoi. lieu va cham thuc va danh ((hai cua) OR (hoi cua)) te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sinh ty nang o hoi. lieu va cham thuc va danh ((hai cua) OR (hoi cua)) te".
• Adding a wildcard symbol may retrieve word variants: hoc sinh ty nang o hoi. lieu va cham thuc va danh ((hai cua) OR (hoi cua)) te*.