Perhaps you should try some spelling variations:
danh vai » danh sai, danh va, doanh van
cau tren » cu tren, dau tren, ca tren
vu sach » vu bach, su sach, vu khach
va cham » va chat, va tham
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
vai cau » va cau, van cau, vai cac
y xang » ty xang
xang x » nang x
ve cam » ve cham, ve cac, va cam
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach y xang x hoi. hieu ((ve cam) or (va cham)) thuc va danh vai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y xang x hoi. hieu ((ve cam) OR (va cham)) thuc va danh vai cau tren*.