Perhaps you should try some spelling variations:
cham truc » cau truc, nham thuc, pham thuc
cua triet » cua viet, su triet, va triet
phat lap » phan lap, phap lap, phat lam
tu sach » thu sach, su sach, te sach
ty nang » ty xang, ty hang, ly nang
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
truc va » thuc va, thuc vat, trung va
lap cua » lai cua, tap cua, lam cua
ho hoi » hoc hoi, hoa hoi, hoi hoi

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

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