Perhaps you should try some spelling variations:
"tu danh ngang cho ghi đong luc" » "tu danh nhan cho ghi đong luc", "tu danh ngon cho ghi đong luc", "tu danh thang cho ghi đong luc", "tu danh nang cho ghi đong luc", "tu danh ngang tho ghi đong luc", "tu danh sang cho ghi đong luc", "tu hanh ngang cho ghi đong luc", "te danh ngang cho ghi đong luc", "tu manh ngang cho ghi đong luc"
"tu sach phan co khi đong luc" » "tu sach han co khi đong luc", "tu mach phan co khi đong luc", "tu sach phat co khi đong luc", "thu sach phan co khi đong luc", "su sach phan co khi đong luc", "te sach phan co khi đong luc", "tu sach phan bo khi đong luc", "tu sach phan cong khi đong luc", "tu sach phan cac khi đong luc"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("tu danh ngang cho ghi đong luc") or ("tu sach phan co khi đong luc"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("tu danh ngang cho ghi đong luc") OR ("tu sach phan co khi đong luc")).
• Removing quotes may allow a broader search: (( tu danh ngang cho ghi đong luc ) or ( tu sach phan co khi đong luc )).
• Adding a wildcard symbol may retrieve word variants: (("tu danh ngang cho ghi đong luc") or ("tu sach phan co khi đong luc"))*.