Perhaps you should try some spelling variations:
ve triet » va trien, su triet
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
ky tang » ky nang, ky dang, kho tang
te cac » tu cac, ve cac, te cao
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, tuc xa
dan ve » ban ve, dan viet, dan vien
dan va » doan va, dan ca, ban va
te sac » te sach, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sac) or (te cac)) ky tang xa hoi. hieu ve cam tuc va ((dan ve) OR (dan va)) ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te cac)) ky tang xa hoi. hieu ve cam tuc va ((dan ve) OR (dan va)) ve triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sac) or (te cac)) ky tang xa hoi. hieu ve cam tuc va ((dan ve) OR (dan va)) ve triet".
• Adding a wildcard symbol may retrieve word variants: ((te sac) or (te cac)) ky tang xa hoi. hieu ve cam tuc va ((dan ve) OR (dan va)) ve triet*.