Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, chieu xanh, tien anh
tang cua » hang cua, tang luan, thong cua
mang cua » manh cua, dung cua, ban cua
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » 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 ((tieu xanh) or (dieu hanh)) - hanh ((tang cua) or (mang cua)) nhung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (dieu hanh)) - hanh ((tang cua) OR (mang cua)) nhung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (dieu hanh)) - hanh ((tang cua) or (mang cua)) nhung cong tac toan cau*.