Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
hanh tranh » hanh trinh, hanh trang, lanh tranh
tuong dan » huong dan, tung dan, xuong dan
theo chu » theo chieu, cho chu, chao chu
chu xang » chua xang, chu bang, chuc nang
dan toan » van toan, dan than, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xang - ((hanh tranh) or (canh tranh)) va nhung tuong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xang - ((hanh tranh) OR (canh tranh)) va nhung tuong dan toan ban*.