Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
van phuong » van phong, va phuong, van chuong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (chieu sang)) - ((hanh tranh) OR (hanh trinh)) van phuong cong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu sang)) - ((hanh tranh) OR (hanh trinh)) van phuong cong manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (chieu sang)) - ((hanh tranh) OR (hanh trinh)) van phuong cong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu sang)) - ((hanh tranh) OR (hanh trinh)) van phuong cong manh toan ban*.