Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hanh tang » hanh trang, anh tang, hanh mang
van nhung » van nhuong, va nhung, van hung
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
chu xanh » chu manh, chieu xanh, chua xang
tang van » dang van, hoang van, trong van
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: theo ((chu xanh) or (chieu sach)) - hanh tang van nhung cong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chieu sach)) - hanh tang van nhung cong manh toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chieu sach)) - hanh tang van nhung cong manh toan cau*.