Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, nhanh quang, hanh trang
thien chinh » tien thinh, thien chien, thien thanh
nhanh lang » nhanh quang, nhan dang, nhanh dong
nhung cong » dung cong, thong cong, hang cong
thi chinh » tai chinh, thi hinh, thi hanh
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van ban

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

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