Perhaps you should try some spelling variations:
cham thuc » nham thuc, pham thuc, tham thuc
thu dang » thu hang, thu dong, thu sang
thu bang » thu ban, thu hang, chu bang
qua cham » qua hai, qua cac, va cham
va hanh » van hanh, va thanh, va danh
te sach » toc sach
thuc va » thuc vat, thuc dan, thuc day
van hoi » van hoa, van hoc, van hoe

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 ((thu dang) OR (thu bang)) van hoi. hieu qua cham thuc va hanh ((hoi cua) or (hoi chuc)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((thu dang) OR (thu bang)) van hoi. hieu qua cham thuc va hanh ((hoi cua) OR (hoi chuc)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((thu dang) OR (thu bang)) van hoi. hieu qua cham thuc va hanh ((hoi cua) or (hoi chuc)) te".
• Adding a wildcard symbol may retrieve word variants: te sach ((thu dang) OR (thu bang)) van hoi. hieu qua cham thuc va hanh ((hoi cua) or (hoi chuc)) te*.