Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nang van » dang van, tang van, lang van
hieu van » thien van, lieu va, hieu ve
hanh de » hanh ve, hanh kem
danh di » danh du, xanh di, danh dien
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
van hoi » van hoa, van hoc, van hoe
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky nang van hoi. ((hieu van) OR (hieu va)) cam xuc va ((danh di) or (hanh de)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky nang van hoi. ((hieu van) OR (hieu va)) cam xuc va ((danh di) OR (hanh de)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky nang van hoi. ((hieu van) OR (hieu va)) cam xuc va ((danh di) or (hanh de)) cua triet".
• Adding a wildcard symbol may retrieve word variants: so sach ky nang van hoi. ((hieu van) OR (hieu va)) cam xuc va ((danh di) or (hanh de)) cua triet*.