Perhaps you should try some spelling variations:
tinh vi » trinh vi, tinh voi, tinh va
va tinh » may tinh
ve cuoc » va cuoc, ve duoc, ve nuoc
sach ty » sach y, sach thu, xach tay
cua tre » cua te, cuu tre, cua triet
tang xa » trang xa, tang ma, lang xa
sach tu » sach thu, cach tu, sach uu
luc va » duc va, tuc va, loc va
vi cua » vai cua, di cua
ve coc » ve cac, ve co

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 ty) OR (sach tu)) tang xa hoi. hieu ((ve coc) or (ve cuoc)) luc va tinh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ty) OR (sach tu)) tang xa hoi. hieu ((ve coc) OR (ve cuoc)) luc va tinh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ty) OR (sach tu)) tang xa hoi. hieu ((ve coc) or (ve cuoc)) luc va tinh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: su ((sach ty) OR (sach tu)) tang xa hoi. hieu ((ve coc) or (ve cuoc)) luc va tinh vi cua tre*.