Perhaps you should try some spelling variations:
toan thang » toan thong, thanh thang, tran thanh
phung cong » nhung cong, phong cong, nhung chong
doan quang » tran quang, van quang, dang quang
hien hanh » dieu hanh
tranh cua » doanh cua, manh cua
cua phung » cua phuong, cua nhung, cua chung
doan hang » doan hung, doan huong, doan trang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien hanh - canh tranh cua phung cong ((((doan hang) OR (toan thang))) or (doan quang)) dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - canh tranh cua phung cong ((((doan hang) OR (toan thang))) OR (doan quang)) dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien hanh - canh tranh cua phung cong ((((doan hang) OR (toan thang))) or (doan quang)) dau".
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - canh tranh cua phung cong ((((doan hang) OR (toan thang))) or (doan quang)) dau*.