Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cham thuc » nham thuc, pham thuc, tham thuc
phan lap » phan dau
sach ty » sach tu, sach thu, xach tay
nang co » nang cao, nang doc, nang noi
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
thuc va » thuc vat, thuc dan, thuc day
va phan » van phan, va phat, va phap
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) or (sach y)) nang co hoc. hieu vu cham thuc va phan lap cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ty) OR (sach y)) nang co hoc. hieu vu cham thuc va phan lap cua triet.
• Adding a wildcard symbol may retrieve word variants: su ((sach ty) or (sach y)) nang co hoc. hieu vu cham thuc va phan lap cua triet*.