Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hang vi » hang va, hanh vi, hang di
hanh di » hanh vi, hanh de, hang di
sach ly » sach lo, sach ty, sach hay
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
cac xuc » cam xuc, cac nuoc, chat xuc
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va

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

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