Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
cua triet » cua viet, su triet, va triet
phat lap » phan lap, phap lap, phat lam
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
hoa hoi » khoa hoi, hoa hoc, hoa doi
hieu vu » hieu va, hieu ve, hieu su
vu nham » vu kham, vu cham, sua nham
thuc va » thuc vat, thuc dan, thuc day
lap cua » lai cua, tap cua, lam cua
ho hoi » hoc hoi, hoi hoi, co hoi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty nang ((ho hoi) or (hoa hoi)). hieu vu nham thuc va phat lap cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang ((ho hoi) OR (hoa hoi)). hieu vu nham thuc va phat lap cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ty nang ((ho hoi) or (hoa hoi)). hieu vu nham thuc va phat lap cua triet*.