Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
chieu sang » chieu sach, chieu xanh, hieu lang
chiet tach » chieu sach
tranh cua » doanh cua, manh cua
cua nhung » va nhung
tuong dan » huong dan, tung dan, xuong dan
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: ho ((chieu sang) or (((chiet tach) or (chinh sach)))) - canh tranh cua nhung tuong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (((chiet tach) OR (chinh sach)))) - canh tranh cua nhung tuong dan van ban.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (((chiet tach) or (chinh sach)))) - canh tranh cua nhung tuong dan van ban*.