Perhaps you should try some spelling variations:
xuan trinh » qua trinh, xuan dinh, xuan kinh
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
xa trinh » xa tinh, va trinh, lap trinh
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
van lam » van nam
lam tuc » lam thuoc, lam truoc, luat tuc
vi cua » vai cua, di cua

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 ky nang xa hoi. hieu van lam tuc ((xa trinh) or (xuan trinh)) vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. hieu van lam tuc ((xa trinh) OR (xuan trinh)) vi cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu van lam tuc ((xa trinh) or (xuan trinh)) vi cua triet*.