Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
thuc dan » thuc hanh, thuc vat
sach ky » sac ky, sach y, sach ty
nang co » nang cao, nang doc, nang noi
ve pham » v pham, ve phan, ve phat
co loi » co hoi
vi cua » vai cua, di cua
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: thu sach ky nang co loi. hieu ((ve pham) or (vi pham)) ((thuc dan) or (hoc dan)) hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang co loi. hieu ((ve pham) OR (vi pham)) ((thuc dan) OR (hoc dan)) hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang co loi. hieu ((ve pham) or (vi pham)) ((thuc dan) or (hoc dan)) hanh vi cua te*.