Perhaps you should try some spelling variations:
cham thuc » nham thuc, pham thuc, tham thuc
doanh ban » doanh bat, doanh van, doanh nhan
ta trang » va trang, thai trang, thu trang
danh vai » danh sai, danh va, doanh van
su sach » so sach, vu sach
thuc va » thuc vat, thuc dan, thuc day
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
ta tang » tay tang, ha tang, ca tang
cuu tre » cua tre, cau tren, cau treo
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((ta tang) or (ta trang)) ha hoi. hieu ve cham thuc va ((danh vai) or (doanh ban)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ta tang) OR (ta trang)) ha hoi. hieu ve cham thuc va ((danh vai) OR (doanh ban)) cuu tre.
• Adding a wildcard symbol may retrieve word variants: su sach ((ta tang) or (ta trang)) ha hoi. hieu ve cham thuc va ((danh vai) or (doanh ban)) cuu tre*.