Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
thong cong » trong cong, tong cong, thong thong
trinh cua » trinh luat, trinh quan, trinh luan
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
tinh cua » sinh cua, tinh chat, tranh cua
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: chao ((chieu sach) OR (chiet tach)) - hanh ((tinh cua) or (trinh cua)) thong cong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((chieu sach) OR (chiet tach)) - hanh ((tinh cua) OR (trinh cua)) thong cong manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao ((chieu sach) OR (chiet tach)) - hanh ((tinh cua) or (trinh cua)) thong cong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: chao ((chieu sach) OR (chiet tach)) - hanh ((tinh cua) or (trinh cua)) thong cong manh toan ban*.