Perhaps you should try some spelling variations:
phuong cong » phong cong, phung cong, phuong hoang
phuong dong » phuong dung, phuong hoang, chuong duong
tranh va » tranh van, trang va, trinh va
tan toan » tan tran, tap toan, van toan
toan tap » toan ban
ho chau » ho chu, o chau, khoa chau
ha chau » hat chau, a chau, lai chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chau) or (ha chau)) tinh - canh tranh va ((phuong cong) or (phuong dong)) tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chau) OR (ha chau)) tinh - canh tranh va ((phuong cong) OR (phuong dong)) tan toan tap.
• Adding a wildcard symbol may retrieve word variants: ((ho chau) or (ha chau)) tinh - canh tranh va ((phuong cong) or (phuong dong)) tan toan tap*.