Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thien van » thi van
trung va » truong va, trang va, trung ha
su sach » so sach, vu sach
ly nang » ky nang, ly hang, ly vang
van cam » van nam, van lam, van cau
y nang » ky nang, v nang, may nang
tuc va » thuc va, truc va, tuc xa
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: su sach ((y nang) OR (ly nang)) xa hoi. thien van cam ((tuc va) or (trung va)) hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((y nang) OR (ly nang)) xa hoi. thien van cam ((tuc va) OR (trung va)) hanh vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((y nang) OR (ly nang)) xa hoi. thien van cam ((tuc va) or (trung va)) hanh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: su sach ((y nang) OR (ly nang)) xa hoi. thien van cam ((tuc va) or (trung va)) hanh vi cua triet*.