Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
theo chieu » theo tieu, ho chieu, theo chu
dung doanh » dung dan, dung dong
cua phuong » cuu phuong, cuc phuong, luan phuong
thi chieu » thi chien, thi hieu, thi hien
doanh cua » doanh luan
van tuyen » va tuyen, van chuyen, van nguyen
cong van » cong vang, cong san, song van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) OR (thi chieu)) tinh - dung doanh cua phuong cong van tuyen tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (thi chieu)) tinh - dung doanh cua phuong cong van tuyen tap".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (thi chieu)) tinh - dung doanh cua phuong cong van tuyen tap*.