Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
nang co » nang cao, nang doc, nang noi
ve pham » vi pham, ve phan, ve phat
hanh de » hanh ve, hanh kem
sach ky » sac ky, sach y, sach ty
hanh di » hanh vi, hang di, danh di
v pham » vi pham, d pham
co hoi » co hoc, co loi
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: thuoc sach ky nang co hoi. hieu ((ve pham) or (v pham)) thuc vat ((hanh di) OR (hanh de)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach ky nang co hoi. hieu ((ve pham) OR (v pham)) thuc vat ((hanh di) OR (hanh de)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach ky nang co hoi. hieu ((ve pham) or (v pham)) thuc vat ((hanh di) OR (hanh de)) cua te".
• Adding a wildcard symbol may retrieve word variants: thuoc sach ky nang co hoi. hieu ((ve pham) or (v pham)) thuc vat ((hanh di) OR (hanh de)) cua te*.