Perhaps you should try some spelling variations:
ve triet » va trien, su triet
hanh lam » thanh lap, hanh kem, dinh lam
cham tuc » nham thuc, pham thuc, tham thuc
hanh va » hang va, hanh vi
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
nang xa » lang xa, nang ma, mang xa
sac ky » cac ky, sai ky
so sac » so sach, so dac

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

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