Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
su sach » so sach, vu sach
so sanh » do sanh
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
lam duc » lam duoc, pham duc, nam duoc
va tinh » may tinh
tinh ve » trinh ve, tinh ven, dinh ve
va lam » van lam, va lap
ve cua » le cua, de cua, te cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (so sanh)) ky dang xa hoi. lieu va lam duc va tinh ve cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sanh)) ky dang xa hoi. lieu va lam duc va tinh ve cua triet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sanh)) ky dang xa hoi. lieu va lam duc va tinh ve cua triet*.