Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
manh chung » manh hung, lanh chung, doanh chung
chieu xanh » chieu sach, chieu sang, chieu tinh
cua thuong » cua truong, cua phuong, ca thuong
chau tinh » cuu tinh, cua tinh, cac tinh
chung cua » chung cu, dung cua, huong cua
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban
ha tinh » va tinh, may tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (((chau tinh) OR (ha tinh)))) - manh chung cua thuong cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (((chau tinh) OR (ha tinh)))) - manh chung cua thuong cong tac toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (((chau tinh) OR (ha tinh)))) - manh chung cua thuong cong tac toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (((chau tinh) OR (ha tinh)))) - manh chung cua thuong cong tac toan tap*.