Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
su sach » so sach, vu sach
suc bat » duoc bat
luc bat » luc nhat, luat bat, duoc bat
sach ky » sac ky, sach y, sach ty
duc ban » duc tan, duc van, dua ban
ve chat » va chat, van chat
hieu ve » hieu va, hieu van
dang ma » dang mau, dang mam, dang mat
ky dang » ky nang, ky danh
ma hoi » mai hoi, xa hoi, ma hoa
vi cua » vai cua, di cua

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 ky dang ma hoi. hieu ve chat ((duc ban) or (((luc bat) OR (suc bat)))) thanh vi cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky dang ma hoi. hieu ve chat ((duc ban) OR (((luc bat) OR (suc bat)))) thanh vi cua vat.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky dang ma hoi. hieu ve chat ((duc ban) or (((luc bat) OR (suc bat)))) thanh vi cua vat".
• Adding a wildcard symbol may retrieve word variants: su sach ky dang ma hoi. hieu ve chat ((duc ban) or (((luc bat) OR (suc bat)))) thanh vi cua vat*.