Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
cham tu » pham tu, cam tu, chai tu
danh va » doanh va, anh va, dan va
hanh va » hang va, hanh vi
te sac » te sach, te san
te cac » tu cac, ve cac, te cao

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 lang xa hoi. hieu ve cham tu va ((danh va) or (hanh va)) su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te cac)) ky lang xa hoi. hieu ve cham tu va ((danh va) OR (hanh va)) su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sac) OR (te cac)) ky lang xa hoi. hieu ve cham tu va ((danh va) or (hanh va)) su triet".
• Adding a wildcard symbol may retrieve word variants: ((te sac) OR (te cac)) ky lang xa hoi. hieu ve cham tu va ((danh va) or (hanh va)) su triet*.