Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
khanh luan » khanh thuan, doanh luan, hang luan
tieu xanh » chieu xanh, dieu hanh, tien anh
tieu danh » dieu danh, tiep danh, thien danh
hanh luan » hang luan, hanh luat, han luan
van nhung » van nhuong, va nhung, van hung
dan toan » van toan, dan than, manh 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 (tieu danh)) - ((hanh luan) or (khanh luan)) van nhung huong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (tieu danh)) - ((hanh luan) OR (khanh luan)) van nhung huong dan toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) OR (tieu danh)) - ((hanh luan) or (khanh luan)) van nhung huong dan toan cau*".