Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nam thuc » nam thuoc, am thuc, nam thu
phan lap » phan dau
te sach » toc sach
hoi hoi » hoi hoc, hoc hoi, hoi doi
hieu vu » hieu va, hieu ve, hieu su
thuc va » thuc vat, thuc dan, thuc day
va phan » van phan, va phat, va phap
lap cua » lai cua, tap cua, lam cua
y nang » ky nang, ly nang, v nang
ho hoi » hoc hoi, hoa hoi, co hoi
vu nam » su nam, tu nam, va nam

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 y nang ((ho hoi) or (hoi hoi)). hieu vu nam thuc va phan lap cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ((ho hoi) OR (hoi hoi)). hieu vu nam thuc va phan lap cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach y nang ((ho hoi) or (hoi hoi)). hieu vu nam thuc va phan lap cua triet*.