Perhaps you should try some spelling variations:
xuc tuan » duc thuan, quoc tuan, xuan tuan
hieu ve » hieu va, hieu van
sach ty » sach y, sach tu, sach thu
sach ky » sac ky, sach y, sach kem
mai hoi » mai khoi, dai hoi, lai hoi
vi cua » vai cua, di cua
anh vi » hanh vi, anh va, anh ve
ve cam » ve cham, ve cac, va cam
cua su » qua su
ma hoi » xa hoi, ma hoa, me hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) OR (sach ty)) nang ((ma hoi) or (mai hoi)). hieu ve cam xuc tuan anh vi cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) nang ((ma hoi) OR (mai hoi)). hieu ve cam xuc tuan anh vi cua su.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sach ty)) nang ((ma hoi) or (mai hoi)). hieu ve cam xuc tuan anh vi cua su".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) OR (sach ty)) nang ((ma hoi) or (mai hoi)). hieu ve cam xuc tuan anh vi cua su*.