Perhaps you should try some spelling variations:
nhung tung » nhung tuong, nhung dung, nhung vung
tieu sach » chieu sach, dien sach, te sach
canh manh » lanh manh, canh tranh, cach mang
cua nhung » va nhung
manh cua » doanh cua, ban cua
tung dan » dung dan, huong dan, trung dai
chan cau » can cau, chinh cau, nhanh cau
phan cau » phan dau, phan cac, phan lap

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 - canh manh cua nhung tung dan ((chan cau) or (((phan cau) OR (phan tu))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - canh manh cua nhung tung dan ((chan cau) OR (((phan cau) OR (phan tu)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sach - canh manh cua nhung tung dan ((chan cau) or (((phan cau) OR (phan tu))))".
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - canh manh cua nhung tung dan ((chan cau) or (((phan cau) OR (phan tu))))*.