Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
lanh manh » lanh tranh, lan anh, van manh
thong dan » tuong dan, thong den, trong dan
thong van » trong van, thong va, thong quan
cua tong » cua cong, cua dong, cua nong
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - ((lanh manh) or (cach mang)) cua tong ((thong dan) or (thong van)) chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - ((lanh manh) OR (cach mang)) cua tong ((thong dan) OR (thong van)) chan cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - ((lanh manh) or (cach mang)) cua tong ((thong dan) or (thong van)) chan cau*.