Perhaps you should try some spelling variations:
thong cong » trong cong, thong thong, phong chong
theo chieu » theo tieu, ho chieu, theo chu
tranh cua » doanh cua, manh cua
tong cong » trong cong, cong cong, dung cong
dan toan » van toan, dan than, manh toan
toan ban » van ban
doi chi » doi khi

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 (doi chi)) sach - canh tranh cua ((thong cong) OR (tong cong)) dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doi chi)) sach - canh tranh cua ((thong cong) OR (tong cong)) dan toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (doi chi)) sach - canh tranh cua ((thong cong) OR (tong cong)) dan toan ban*".