Perhaps you should try some spelling variations:
nhanh lang » nhanh quang, nhanh thang, nhanh dong
trong thpt » truong thpt, trong thuat, trong thiet
tieu sach » chieu sach, dien sach, te sach
nhan dang » nhan dan, phan dang, tran dang
van dung » van dong, xay dung, tin dung
thpt ban » thpt dan, thuat ban, thpt tran
ban cau » bang cau, ban can, van cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - ((nhanh lang) or (nhan dang)) van dung trong thpt ban cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - ((nhanh lang) OR (nhan dang)) van dung trong thpt ban cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - ((nhanh lang) or (nhan dang)) van dung trong thpt ban cau*.