Perhaps you should try some spelling variations:
phuong cong » phuong dong, phung cong, phuong hoang
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh tranh » canh tranh, hanh trinh, hanh trang
phong cong » phong chong, thong cong, chong cong
tranh van » tran van, trinh van, thanh van
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 xanh) or (chieu sang)) - hanh tranh van ((phuong cong) OR (phong cong)) manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sang)) - hanh tranh van ((phuong cong) OR (phong cong)) manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chieu sang)) - hanh tranh van ((phuong cong) OR (phong cong)) manh toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sang)) - hanh tranh van ((phuong cong) OR (phong cong)) manh toan ban*.