Perhaps you should try some spelling variations:
doan hong » doan huong, doan hung, doan phuong
hong minh » hoang minh, thong minh, khong minh
van thong » van thuong, van phong, va thong
sach cua » mach cua, cach cua, sac cua
giai van » gioi van, giai han, giai san
tu sach » thu sach, su sach, te sach
te giai » te giao, de giai, ve giai
cua te » cua tu
xa me » ca me
tin » tinh

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: (( tu sach ((xa me) OR (ba me)) giai doan hong minh ) OR ( tu sach cua te giai van thong tin ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tu sach ((xa me) OR (ba me)) giai doan hong minh ) or ( tu sach cua te giai van thong tin ))~".
• Adding a wildcard symbol may retrieve word variants: (( tu sach ((xa me) OR (ba me)) giai doan hong minh ) or ( tu sach cua te giai van thong tin ))*.