Perhaps you should try some spelling variations:
chien tranh » hien trang
hanh tranh » canh tranh, hanh trinh, hanh trang
dung huong » dung thuong, dung phuong, dong huong
hien hanh » dieu hanh
tranh qua » tranh cua, thanh qua, trinh qua
qua dung » quang dung, su dung, qua song
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chien tranh) or (((thi thanh) or (hien hanh)))) - hanh tranh qua dung huong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chien tranh) OR (((thi thanh) OR (hien hanh)))) - hanh tranh qua dung huong dan van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chien tranh) or (((thi thanh) or (hien hanh)))) - hanh tranh qua dung huong dan van ban*.