Perhaps you should try some spelling variations:
ve triet » va trien, su triet
hanh vai » hanh vi, hanh tai, hanh van
hanh va » hang va, hanh vi
cac xuc » cam xuc, cac nuoc, chat xuc
sach ty » sach y, sach tu, sach thu
te sach » toc sach
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
xuc va » duc va, tuc va, luc va
ve cac » va cac, vien cac

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

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