Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
theo chieu » theo tieu, ho chieu, thi chieu
cong thanh » dong thanh, cong trinh, cong tan
thanh quan » thanh xuan, thanh tuan, nhanh quang
doanh cua » doanh luan
theo chu » cho chu, chao chu, theo yeu
manh cua » ban cua
quan lap » quan luan, quang lam, quan lang

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 (theo chu)) sach - hanh ((manh cua) OR (doanh cua)) phuong cong thanh quan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) sach - hanh ((manh cua) OR (doanh cua)) phuong cong thanh quan lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (theo chu)) sach - hanh ((manh cua) OR (doanh cua)) phuong cong thanh quan lap".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo chu)) sach - hanh ((manh cua) OR (doanh cua)) phuong cong thanh quan lap*.