Perhaps you should try some spelling variations:
sach thanh » sach tranh, danh thanh, sach danh
sach tham » sach nha
canh ngon » danh ngon
thu canh » thuc hanh, thu cong, thu ban
ngon hoa » ngoc hoa, nganh hoa, ngoc hoat
hoa chat » hop chat, hoa phan
hoa phi » hoa phan, hoa thai

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu ((sach thanh) OR (sach tham)) hoa phi đong luc ) or ( thu canh ngon hoa chat đong luc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu ((sach thanh) OR (sach tham)) hoa phi đong luc ) OR ( thu canh ngon hoa chat đong luc )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tu ((sach thanh) OR (sach tham)) hoa phi đong luc ) or ( thu canh ngon hoa chat đong luc ))".
• Adding a wildcard symbol may retrieve word variants: (( tu ((sach thanh) OR (sach tham)) hoa phi đong luc ) or ( thu canh ngon hoa chat đong luc ))*.