Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
hanh dat » thanh dat, anh dat, hanh cat
cau tren » cu tren, dau tren, ca tren
su sach » so sach, vu sach
sach va » sach xa, sach ha, sach dao
va nang » van nang, da nang, cam nang
hieu ve » hieu va, hieu van
ve nham » ve nha, ve cham
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, ban hanh
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: su sach va nang x hoi. hieu ve nham thuc va hanh dat cau tren~.
• Adding a wildcard symbol may retrieve word variants: su sach va nang x hoi. hieu ve nham thuc va hanh dat cau tren*.