Perhaps you should try some spelling variations:
"su sach kha ke giai nang truong minh" » "su sach kha ke giai tang truong minh", "su sach kha ke giai quang truong minh", "su sach kha ke giai nang luong minh", "su sach kha ke giai nang truong kinh", "su sach kha ke giai nang truong thanh", "su sach kha ke giai nang truong giang", "su sach kha ke gia nang truong minh", "su sach kha ke giai nan truong minh", "su sach kha ke gian lang truong minh", "su sach nha ke giai nang truong minh", "su sach ha ke giai nang truong minh", "su sach tham ke giai nang truong minh", "so sach kha ke giai nang truong minh", "vu sach kha ke giai nang truong minh", "su sach kha kem giai nang truong minh", "su sach kha de giai nang truong minh", "su sach kha ke giao nang truong minh"
"su sach cap me gioi can thong minh" » "su sach cap me gioi can thong tin", "su sach cap me gioi can hoang minh", "su sach cap me gioi ban thong minh", "su sach cap me gioi van thong minh", "su sach cap me gioi chan thuong minh", "su sach dao me gioi can thong minh", "su sach bai me gioi can thong minh", "su sach xa me gioi can thong minh", "su sach cap me gioi cam thong minh", "su sach cap me gioi cau thong minh", "so sach cap me gioi can thong minh", "vu sach cap me gioi can thong minh", "su sach cap me giai can thong minh", "su sach cap ve gioi can thong minh", "su sach cap me nguoi can thong minh", "su sach ca me gioi can thong minh", "su sach cap ma gioi can thong minh"

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: (("su sach cap me gioi can thong minh") or ("su sach kha ke giai nang truong minh"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("su sach cap me gioi can thong minh") OR ("su sach kha ke giai nang truong minh")).
• Removing quotes may allow a broader search: (( su sach cap me gioi can thong minh ) or ( su sach kha ke giai nang truong minh )).
• Adding a wildcard symbol may retrieve word variants: (("su sach cap me gioi can thong minh") or ("su sach kha ke giai nang truong minh"))*.