Perhaps you should try some spelling variations:
phuong doan » phuong loan, phuong hoang, huong dan
chieu sach » chinh sach, chieu sang, chieu xanh
hanh trang » thanh trung, canh tranh, hanh trinh
phuong dan » phuong danh, huong dan, phuong lan
trang qua » trong qua, trong quan, trang tuan
qua dung » quang dung, su dung, qua song
than ban » thanh ban, toan ban, than man

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sach) OR (chiet tach)) - hanh trang qua dung ((phuong dan) OR (phuong doan)) than ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu sach) or (chiet tach)) - hanh trang qua dung ((phuong dan) OR (phuong doan)) than ban~".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) or (chiet tach)) - hanh trang qua dung ((phuong dan) OR (phuong doan)) than ban*.