Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
chinh quan » chinh quyen, chinh ngan, trinh quan
chinh luan » chinh ngan, trinh luan, binh luan
dong cong » duong cong, dung cong, dang cong
cong vinh » cong trinh, trong vinh, cong viec
vinh toan » tinh toan, hinh toan, minh toan
toan cau » toan cao, toan ban, toan tap

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 (chieu tinh)) - hanh ((chinh quan) OR (chinh luan)) dong cong vinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((chieu sach) OR (chieu tinh)) - hanh ((chinh quan) OR (chinh luan)) dong cong vinh toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao ((chieu sach) or (chieu tinh)) - hanh ((chinh quan) OR (chinh luan)) dong cong vinh toan cau*".