Perhaps you should try some spelling variations:
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
hanh vai » hanh va, hanh tai, hanh van
so sach » so sanh, bo sach, co sach
cam tuc » cam xuc, cam tu, nam thuc
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, va cam
ma hoi » mai hoi, xa hoi, ma hoa
tuc va » thuc va, truc va, tuc xa

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 y nang ma hoi. hieu ve cam tuc va ((hanh vai) or (hanh vi)) ((cua triet) OR (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y nang ma hoi. hieu ve cam tuc va ((hanh vai) OR (hanh vi)) ((cua triet) OR (cua viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach y nang ma hoi. hieu ve cam tuc va ((hanh vai) or (hanh vi)) ((cua triet) OR (cua viet))".
• Adding a wildcard symbol may retrieve word variants: so sach y nang ma hoi. hieu ve cam tuc va ((hanh vai) or (hanh vi)) ((cua triet) OR (cua viet))*.