Perhaps you should try some spelling variations:
cham truc » cau truc, nham thuc, pham thuc
phan lap » phan dau
su triet » su viet, su tien, ve triet
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
va phan » van phan, va phat, va phap
ho hoi » hoc hoi, hoa hoi, hoi hoi
lap su » lap du, lap tu, lai su

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 phan lap su triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ty nang) OR (ky nang)) ho hoi. hieu vu cham truc va phan lap su triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ty nang) OR (ky nang)) ho hoi. hieu vu cham truc va phan lap su triet*.