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 tran » tan tran, tac trai, tac tren
tran cau » tran chau, toan cau, ran cau

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 tran 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 tran cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) OR (dieu hanh)) - hanh ((tang cua) or (mang cua)) nhung cong tac tran cau".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) OR (dieu hanh)) - hanh ((tang cua) or (mang cua)) nhung cong tac tran cau*.