Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
cau triet » cau trieu, su triet, cua triet
thuc van » thuc vat, thuc dan, thuc va
van hanh » van thanh, ban hanh, van anh
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
hieu ve » hieu va, hieu van
ve nham » ve nha, ve cham
vi cau » va cau, ve cau, di cau
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 ty nang x hoi. hieu ve nham thuc van hanh vi cau triet~.
• Adding a wildcard symbol may retrieve word variants: su sach ty nang x hoi. hieu ve nham thuc van hanh vi cau triet*.