Perhaps you should try some spelling variations:
theo chinh » thien chinh, che chinh, thi chinh
nhanh dung » nhanh dong, hanh dung, nhanh hung
cong ngang » cong nhan, cong quang, cong nong
cua nhung » va nhung
cong lang » cong vang, cong luong, cong quang
thang cau » hang cau, thong cau, thanh chau
te chinh » tai chinh
dung cua » dung luan, dung cho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chinh) OR (te chinh)) sach - nhanh dung cua nhung ((cong ngang) or (cong lang)) thang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chinh) OR (te chinh)) sach - nhanh dung cua nhung ((cong ngang) OR (cong lang)) thang cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chinh) OR (te chinh)) sach - nhanh dung cua nhung ((cong ngang) or (cong lang)) thang cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chinh) OR (te chinh)) sach - nhanh dung cua nhung ((cong ngang) or (cong lang)) thang cau*.