Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
tranh quan » tranh quang, trinh quan, tranh luan
quan hoan » quan hoang, quang hoan, luan hoan
hoan cong » hoang cong, hoa cong, toan cong
cong anh » cong danh, dong anh, hong anh
anh phan » hanh phan, anh nhan, anh han

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sach) or (chiet tach)) - canh tranh quan hoan cong anh phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chiet tach)) - canh tranh quan hoan cong anh phan tu*.