Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thi hang » thi hong, thi thanh, thi huong
hanh vai » hanh vi, hanh va, hanh tai
thi nang » thi cong, ki nang
thi hanh » thi thanh
cam tuc » cam xuc, cam tu, nam thuc
vai cua » dai cua, hai cua, lai cua
xa hanh » xa thanh, xa khanh, va hanh
tu sach » thu sach, su sach, te sach
hieu va » lieu va, hieu qua
va cam » va cham, va cac, va cao

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

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