Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
va phuong » va thuong, cac phuong
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van ban
ho cuu » ho cua, so cuu, khao cuu
ho chu » hoi chu, cho chu, ho chua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho cuu) OR (ho chu)) tinh - ((minh hoang) or (canh tranh)) va phuong cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho cuu) OR (ho chu)) tinh - ((minh hoang) OR (canh tranh)) va phuong cong san toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho cuu) OR (ho chu)) tinh - ((minh hoang) or (canh tranh)) va phuong cong san toan ban*".