Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh van
hanh tai » thanh tai, hang tai, han tai
cau treo » cau theo, cau tren, cau triet
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
y hang » ly hang, ty hang, yu hang
co hoi » co loi
ve cam » ve cham, ve cac, va cam
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 hang ((co hoi) or (co hoc)). hieu ve cam xuc va ((hanh vai) or (hanh tai)) cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y hang ((co hoi) OR (co hoc)). hieu ve cam xuc va ((hanh vai) OR (hanh tai)) cau treo.
• Adding a wildcard symbol may retrieve word variants: su sach y hang ((co hoi) or (co hoc)). hieu ve cam xuc va ((hanh vai) or (hanh tai)) cau treo*.