Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nham thu, pham thuc
cua triet » cua viet, su triet, va triet
nang hoc » nang doc, nang luc, dong hoc
nam thuc » nam thuoc, am thuc, nam thu
phan lap » phan dau
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
hoc hoi » hoc khoi, hoc hoa, hoc noi
hieu vu » hieu va, hieu ve, hieu su
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: te sach ty nang hoc hoi. hieu vu ((nham thuc) or (nam thuc)) va phan lap cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang hoc hoi. hieu vu ((nham thuc) OR (nam thuc)) va phan lap cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ty nang hoc hoi. hieu vu ((nham thuc) or (nam thuc)) va phan lap cua triet*.