Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
chieu hanh » chieu xanh, dieu hanh, hien hanh
hanh tang » anh tang, hanh mang, hanh tung
ho chieu » theo chieu, hoc thieu, doi chieu
van cong » van dong, van phong, phan cong
van toan » van tuan, van tan, van thanh
van than » van thanh, van thang, van tuan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu hanh - ((hanh tang) OR (hanh trang)) luan van cong ((van toan) or (van than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu hanh - ((hanh tang) OR (hanh trang)) luan van cong ((van toan) OR (van than)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu hanh - ((hanh tang) OR (hanh trang)) luan van cong ((van toan) or (van than)) cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu hanh - ((hanh tang) OR (hanh trang)) luan van cong ((van toan) or (van than)) cau*.