Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh mang » nhanh mang, hanh trang, nhanh lang
dong manh » duong manh, dang manh, dong danh
mang cua » manh cua, dung cua, ban cua
dong anh » hong anh, dong thanh, hoang anh
toan cao » toan ban, toan tap
tinh » trinh, dinh, minh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((trieu tinh) or (chieu sach)) - hanh mang cua cong ((dong manh) OR (dong anh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((trieu tinh) OR (chieu sach)) - hanh mang cua cong ((dong manh) OR (dong anh)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((trieu tinh) or (chieu sach)) - hanh mang cua cong ((dong manh) OR (dong anh)) toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((trieu tinh) or (chieu sach)) - hanh mang cua cong ((dong manh) OR (dong anh)) toan cao*.