Perhaps you should try some spelling variations:
thanh tinh » thanh binh, nhanh tinh, than kinh
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tinh » hanh trinh, nhanh tinh, canh tinh
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
tac toan » tap toan, hach toan, tich toan
tam toan » tap toan, tam than, pham toan

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 - ((hanh tinh) OR (thanh tinh)) cua dung cong ((tac toan) or (tam toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh tinh) OR (thanh tinh)) cua dung cong ((tac toan) OR (tam toan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((hanh tinh) OR (thanh tinh)) cua dung cong ((tac toan) or (tam toan)) cao".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh tinh) OR (thanh tinh)) cua dung cong ((tac toan) or (tam toan)) cao*.