Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
cau tren » cu tren, dau tren, ca tren
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
va cham » va chat, va tham
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
vai cau » va cau, van cau, vai cac
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: tu sach ty xang x hoi. hieu ((ve cam) or (va cham)) thuc va hanh vai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty xang x hoi. hieu ((ve cam) OR (va cham)) thuc va hanh vai cau tren.
• Adding a wildcard symbol may retrieve word variants: tu sach ty xang x hoi. hieu ((ve cam) or (va cham)) thuc va hanh vai cau tren*.