Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
cham tu » pham tu, chai tu, chay tu
hieu ve » hieu va, hieu van
tuc dan » thuc dan, thuc day, tung dan
cam tu » cam thu, nam tu, dam tu
tu dan » tu ban, cu dan, tu can
x hoi » xa hoi, o hoi, x ho
vi su » va su, ve su, ki su

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu dan) OR (tuc dan)) ky nang x hoi. hieu ve ((cham tu) OR (cam tu)) va thanh vi su triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu dan) OR (tuc dan)) ky nang x hoi. hieu ve ((cham tu) or (cam tu)) va thanh vi su triet~".
• Adding a wildcard symbol may retrieve word variants: ((tu dan) OR (tuc dan)) ky nang x hoi. hieu ve ((cham tu) or (cam tu)) va thanh vi su triet*.