Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sach kem » hanh kem
nam thuc » nam thuoc, am thuc, nam thu
thuc dan » thuc hanh, hoc dan, thuc vat
dan hanh » dang hanh, dan khanh, dan thanh
sach ky » sac ky, sach ty, sach hay
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve nam » he nam, va nam, le nam
vi cua » vai cua, di cua

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 ky) OR (sach kem))) or (sach y)) nang xa hoi. hieu ve nam thuc dan hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((((sach ky) OR (sach kem))) OR (sach y)) nang xa hoi. hieu ve nam thuc dan hanh vi cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((((sach ky) OR (sach kem))) or (sach y)) nang xa hoi. hieu ve nam thuc dan hanh vi cua triet*".