Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu xanh, hieu cach
chieu sang » chieu xanh, hieu lang, nhieu tang
hanh tranh » canh tranh, hanh trinh, hanh trang
dung duong » dung dong, dong duong, dung dung
tranh cua » doanh cua, manh cua
duong anh » duong manh, duong xanh, duong vanh
cua dung » cua dang, cua dong, qua dung
tuan cau » toan cau, quan cau, tuan cu

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 sach) OR (chinh sach))) or (chieu sang)) - hanh tranh cua dung duong anh tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu sach) OR (chinh sach))) OR (chieu sang)) - hanh tranh cua dung duong anh tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((((chieu sach) OR (chinh sach))) or (chieu sang)) - hanh tranh cua dung duong anh tuan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sach) OR (chinh sach))) or (chieu sang)) - hanh tranh cua dung duong anh tuan cau*.