Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
tinh ve » trinh ve, tinh ven, dinh ve
va tinh » may tinh
lam duc » lam duoc, pham duc, nam duoc
van lam » van nam
su sach » so sach
ky dang » ky nang, ky danh
so sanh » do sanh
vu sach » vu bach, vu khach
dang xa » dang xay, lang xa, dang ha
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 (vu sach))) or (so sanh)) ky dang xa hoi. hieu van lam duc va tinh ve cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((su sach) OR (vu sach))) OR (so sanh)) ky dang xa hoi. hieu van lam duc va tinh ve cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((su sach) OR (vu sach))) or (so sanh)) ky dang xa hoi. hieu van lam duc va tinh ve cua triet".
• Adding a wildcard symbol may retrieve word variants: ((((su sach) OR (vu sach))) or (so sanh)) ky dang xa hoi. hieu van lam duc va tinh ve cua triet*.