Perhaps you should try some spelling variations:
nhung duong » nhung dung, nhung huong, nhung tuong
hanh tranh » canh tranh, hanh trinh, hanh trang
hieu lang » chieu sang, hieu quang, nhieu tang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
doi hieu » doi chieu, doc hieu, doi hien
van tuan » van quan, van ban, anh tuan
van tan » van ban, van tai, van thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi hieu lang - hanh tranh cua nhung duong ((van tan) OR (van tuan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi hieu lang - hanh tranh cua nhung duong ((van tan) OR (van tuan)) cau".
• Adding a wildcard symbol may retrieve word variants: doi hieu lang - hanh tranh cua nhung duong ((van tan) OR (van tuan)) cau*.