Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu xanh » chieu sach, chieu sang, chieu tinh
tieu xanh » tieu danh, dieu hanh, tien anh
tang cua » hang cua, tang luan, thong cua
mang cua » manh cua, dung cua, ban cua
cong tam » cong tac, cong tan, cong nam
tam toan » tap toan, tam than, pham 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 (chieu xanh)) - hanh ((tang cua) OR (mang cua)) nhung cong tam toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (chieu xanh)) - hanh ((tang cua) OR (mang cua)) nhung cong tam toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) or (chieu xanh)) - hanh ((tang cua) OR (mang cua)) nhung cong tam toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (chieu xanh)) - hanh ((tang cua) OR (mang cua)) nhung cong tam toan cau*.