Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
san toan » van toan, manh toan, xuan toan
dan toan » van toan, dan than, manh 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 trinh cua nhung cong ((san toan) OR (dan toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh trinh cua nhung cong ((san toan) OR (dan toan)) cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh trinh cua nhung cong ((san toan) OR (dan toan)) cau*.