Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
cua triet » cua viet, su triet
phan lap » phan dau
va triet » va thiet, va trien, ve triet
hieu vu » hieu va, hieu ve, hieu su
vu nham » vu kham, vu cham, sua nham
sach ty » sach y, sach tu, sach thu
thuc va » thuc vat, thuc dan, thuc day
va phan » van phan, va phat, va phap
nang co » nang cao, nang doc, nang noi
ty nang » ky nang, ty xang, ty hang
te sach » toc sach
co hoi » co hoc, co loi

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