Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
va dinh » van dinh, va tinh, vu dinh
cao hoa » cao hoat, cao khoa, cau hoa
va kinh » va tinh, qua kinh
sach ky » sac ky, sach y, sach ty
ve cac » va cac, vien cac
ve cai » va cai, ve tai, ve cau
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky nang cao hoa. hieu ((ve cai) or (ve cac)) xuc ((va dinh) OR (va kinh)) tri cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang cao hoa. hieu ((ve cai) OR (ve cac)) xuc ((va dinh) OR (va kinh)) tri cua tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky nang cao hoa. hieu ((ve cai) or (ve cac)) xuc ((va dinh) OR (va kinh)) tri cua tu*".