Perhaps you should try some spelling variations:
sang tai » hang tai, sang tao, tang tai
su sach » so sach, vu sach
ky sang » ky nang, ky dang, ky tang
tai hai » thi hai, dai hai, tai ha
minh ve » dinh ve, minh va, trinh ve
sach ky » sac ky, sach y, sach ty
kinh ve » kinh te, dinh ve, kinh viet
ve cac » va cac, vien cac
luc va » duc va, tuc va, loc va
ve cam » ve cham, va cam, ve cai
cua te » cua tu

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 sang tai hai. hieu ((ve cam) or (ve cac)) luc va ((kinh ve) OR (minh ve)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky sang tai hai. hieu ((ve cam) OR (ve cac)) luc va ((kinh ve) OR (minh ve)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky sang tai hai. hieu ((ve cam) or (ve cac)) luc va ((kinh ve) OR (minh ve)) cua te".
• Adding a wildcard symbol may retrieve word variants: su sach ky sang tai hai. hieu ((ve cam) or (ve cac)) luc va ((kinh ve) OR (minh ve)) cua te*.