Perhaps you should try some spelling variations:
cham thuc » nham thuc, pham thuc, tham thuc
danh kien » dinh kien, danh viet, linh kien
doc sach » hoc sach, toc sach, nuoc sach
sach thu » sach thue, sach thieu, sach tham
thu nang » thi nang, thu hang, thu bang
thuc dan » thuc hanh, hoc dan, thuc vat
dan danh » van danh, han danh, ban danh
kien cua » khien cua, dien cua, tien cua
va cham » va chat, va tham
cua te » cua tu
x hoi » o hoi, x ho
5 hoi » o hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc sach thu nang ((((x hoi) or (5 hoi))) or (xa hoi)). lieu va cham thuc dan danh kien cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc sach thu nang ((((x hoi) OR (5 hoi))) OR (xa hoi)). lieu va cham thuc dan danh kien cua te.
• Adding a wildcard symbol may retrieve word variants: doc sach thu nang ((((x hoi) or (5 hoi))) or (xa hoi)). lieu va cham thuc dan danh kien cua te*.