Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nham thuc » nhan thuc, nam thuc, nham thu
phan dau » phan tu, hang dau
hoi hoi » hoi doi, doi hoi, hoa hoi
hoi hoc » hoa hoc, khoa hoc, hoi chuc
hieu vu » hieu va, hieu ve, hieu su
vu nham » vu kham, vu cham, sua nham
hoc hoi » hoc khoi, hoc hoa, hoc noi
thuc va » thuc vat, thuc dan, thuc day
va phan » van phan, va phat, va phap
dau cua » dai cua, day cua, cau cua
te sach » toc sach
y nang » ky nang, ly nang, v nang

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