Perhaps you should try some spelling variations:
han tang » ha tang, fan tang, han yang
hieu van » hieu va, thien van, lieu va
thanh vi » hanh vi, thanh va, thanh ve
so sach » so sanh, bo sach, co sach
van cam » van nam, van lam, van cau
xuc gia » duc gia, luc gia, tuc gia
su hien » su kien, su tien, thu hien
ma hoi » mai hoi, xa hoi, ma hoa
vi su » va su, ve su, ki su

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ((han tang) or (han tong)) ma hoi. hieu van cam xuc gia thanh vi su hien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((han tang) OR (han tong)) ma hoi. hieu van cam xuc gia thanh vi su hien.
• Adding a wildcard symbol may retrieve word variants: so sach ((han tang) or (han tong)) ma hoi. hieu van cam xuc gia thanh vi su hien*.