Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
tranh cua » doanh cua, manh cua
tang luan » dung luan
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
theo thu » theo chu, theo tu, thi thu
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo thu) OR (theo tieu)) bang - hanh ((tranh cua) or (tang luan)) thong cong hach toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo thu) OR (theo tieu)) bang - hanh ((tranh cua) OR (tang luan)) thong cong hach toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo thu) OR (theo tieu)) bang - hanh ((tranh cua) or (tang luan)) thong cong hach toan cao".
• Adding a wildcard symbol may retrieve word variants: ((theo thu) OR (theo tieu)) bang - hanh ((tranh cua) or (tang luan)) thong cong hach toan cao*.