Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
chieu sach » chinh sach, chieu xanh, hieu cach
chieu sang » chieu xanh, hieu lang, nhieu tang
hanh tranh » canh tranh, hanh trinh, hanh trang
phuong dan » phuong danh, phuong doan, huong dan
tranh cua » doanh cua, manh cua
cua nhung » va nhung
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 ((((chieu sach) or (chieu sang))) or (chiet tach)) - hanh tranh cua nhung phuong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu sach) OR (chieu sang))) OR (chiet tach)) - hanh tranh cua nhung phuong dan van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu sach) or (chieu sang))) or (chiet tach)) - hanh tranh cua nhung phuong dan van ban*.