Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh vai » hanh vi, hanh tai, hanh van
cac thuc » cach thuc, cac thu, can thuc
thi nang » ki nang, thi hanh
thi cong » tai cong, thien cong
thuc va » thuc vat, thuc dan, thuc day
hanh va » hang va, hanh vi
te sach » toc sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((thi nang) OR (thi cong)) xa hoi. lieu va cac thuc va ((hanh vai) or (hanh va)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((thi nang) OR (thi cong)) xa hoi. lieu va cac thuc va ((hanh vai) OR (hanh va)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((thi nang) OR (thi cong)) xa hoi. lieu va cac thuc va ((hanh vai) or (hanh va)) cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ((thi nang) OR (thi cong)) xa hoi. lieu va cac thuc va ((hanh vai) or (hanh va)) cua triet*.