Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
hanh cua » manh cua, hang cua, hanh sua
cham xuc » cam xuc, chat xuc, cham soc
hanh ca » hanh cac, hanh cat, hanh cad
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
dai hoi » dai hoc, dai hai, dai moi
mai hoi » mai khoi, lai hoi, mai doi
ve cham » va cham, ve chat, vu cham
y sang » _ sang, duy sang
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: su sach y sang ((mai hoi) or (dai hoi)). hieu ve cham xuc va ((hanh ca) OR (hanh cua)) su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y sang ((mai hoi) OR (dai hoi)). hieu ve cham xuc va ((hanh ca) OR (hanh cua)) su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y sang ((mai hoi) or (dai hoi)). hieu ve cham xuc va ((hanh ca) OR (hanh cua)) su triet".
• Adding a wildcard symbol may retrieve word variants: su sach y sang ((mai hoi) or (dai hoi)). hieu ve cham xuc va ((hanh ca) OR (hanh cua)) su triet*.