Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tang » hanh trang, anh tang, hanh mang
cong tinh » cong trinh, cong vinh, long tinh
chu manh » ho manh, chu han, chu van
cua bang » chua bang, cua ban, cua hang
cua dang » cua cong, cua ban
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu manh) or (chieu sach)) - hanh tang ((cua bang) or (cua dang)) cong tinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu manh) OR (chieu sach)) - hanh tang ((cua bang) OR (cua dang)) cong tinh toan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((chu manh) or (chieu sach)) - hanh tang ((cua bang) or (cua dang)) cong tinh toan tap*.