Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
hanh dao » lanh dao, thanh dat, thanh dam
hanh dai » hanh tai, vanh dai, thanh dat
hieu van » hieu va, thien van, lieu va
van nham » van nam, van nhan, van tham
su sach » so sach, vu sach
thuc va » thuc vat, thuc dan, thuc day
sach v » sach va, sach y, sach 2
nang o » nang co, nang ho, nang ro
v nang » va nang, vu nang, van nang
cua te » cua tu
o hai » co hai, so hai, o lai

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 v nang o hai. hieu van nham thuc va ((hanh dai) OR (hanh dao)) cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach v nang o hai. hieu van nham thuc va ((hanh dai) OR (hanh dao)) cua te".
• Adding a wildcard symbol may retrieve word variants: su sach v nang o hai. hieu van nham thuc va ((hanh dai) OR (hanh dao)) cua te*.