Perhaps you should try some spelling variations:
lanh tranh » canh tranh, lan tranh, hanh trinh
chiet tach » chieu sach
nhung song » nhung cong, nhung bong, nhung chong
doi chiet » doi chieu, doi chi, doi viet
lanh manh » lan anh, van manh, anh anh
song van » hoang van, trong van, duong van
van phan » van phong, van thanh, luan phan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chiet tach - ((lanh manh) or (lanh tranh)) va nhung song van phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chiet tach - ((lanh manh) OR (lanh tranh)) va nhung song van phan cau.
• Adding a wildcard symbol may retrieve word variants: doi chiet tach - ((lanh manh) or (lanh tranh)) va nhung song van phan cau*.