Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang ho » nang hoc, nang co, tang ho
hieu vu » hieu va, hieu ve, hieu su
vu nham » vu kham, vu cham, sua nham
thuc va » thuc vat, thuc dan, thuc day
va phan » van phan, va phat, va phap
lap cua » lai cua, tap cua, ap cua
lam cua » nam cua, lam chat
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 ho hoi. hieu vu nham thuc va phan ((lap cua) OR (lam cua)) triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang ho hoi. hieu vu nham thuc va phan ((lap cua) OR (lam cua)) triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang ho hoi. hieu vu nham thuc va phan ((lap cua) OR (lam cua)) triet*.