Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tri nang » thi nang, tra nang, tri bang
cham duc » pham duc, cham soc, pham duy
thu sach » tu sach, thuat sach, thuoc sach
tru nang » tra nang, truc nano, thi nang
hieu va » lieu va, hieu qua
va cham » va chat, va tham
tu nang » tu nong, tu nano, tu lang
va hanh » van hanh, va thanh, va danh
hanh ve » hanh vi, hanh va, hanh kem
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: thu sach ((tu nang) or (((tru nang) OR (tri nang)))) xa hoi. hieu va cham duc va hanh ve cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((tu nang) OR (((tru nang) OR (tri nang)))) xa hoi. hieu va cham duc va hanh ve cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ((tu nang) or (((tru nang) OR (tri nang)))) xa hoi. hieu va cham duc va hanh ve cua triet".
• Adding a wildcard symbol may retrieve word variants: thu sach ((tu nang) or (((tru nang) OR (tri nang)))) xa hoi. hieu va cham duc va hanh ve cua triet*.