Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
cua triet » cua viet, su triet, va triet
thuc day » thuc dan, thuc vat
day phan » dam phan, duy phan, dan phan
phan lap » phan dau
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
nang co » nang cao, nang doc, nang noi
hieu vu » hieu va, hieu ve, hieu su
vu nham » vu kham, vu cham, sua nham
lap cua » lai cua, tap cua, lam 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 ty ((nang co) or (nang luc)) hoi. hieu vu nham thuc day phan lap cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty ((nang co) OR (nang luc)) hoi. hieu vu nham thuc day phan lap cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach ty ((nang co) or (nang luc)) hoi. hieu vu nham thuc day phan lap cua triet*.