Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
van anh » van thanh, tuan anh, van minh
duc van » duc va, duc tan, duc manh
cua cau » cua cac, cua chu, cua cay
nang co » nang cao, nang doc, nang noi
ty nang » ky nang, ty xang, ty hang
anh vi » hanh vi, anh va, anh ve
vi cua » vai cua, di cua
ve coc » ve cuoc, ve cac
ve co » vo co, va co, de co

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) OR (toc sach)) ty nang co hoc. hieu ((ve coc) or (ve co)) duc van anh vi cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ty nang co hoc. hieu ((ve coc) OR (ve co)) duc van anh vi cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) ty nang co hoc. hieu ((ve coc) or (ve co)) duc van anh vi cua cau*".