Perhaps you should try some spelling variations:
"te sach ba me giai bai thong minh" » "te sach ba me giai bai hoang minh", "te sach ba me giai bai trong minh", "te sach ba me giai ban thong minh", "te sach ba me giai tai thuong minh", "te sach ba me gia ba thong minh", "toc sach ba me giai bai thong minh", "te sach bai me giai bai thong minh", "te sach bac me giai bai thong minh", "te sach bao me giai bai thong minh", "te sach ba de giai bai thong minh", "te sach ba ke giai bai thong minh", "te sach ba le giai bai thong minh"
"tu cach hua ve giai ca thong tin" » "tu cach cua ve giai ca thong tin", "tu cach dua ve giai ca thong tin", "tu cach thuc ve giai ca thong tin", "tu cach hua ve giai ca thuong tin", "tu cach hua ve giai va thong tin", "tu cach hua ve giai ca trong tin", "tu cac hua ve giai ca thong tin", "tu cach hua va giai ca thong tin", "tu cach hua ve giao ca thong tin", "tu cach hua de giai ca thong tin", "tu cach hua ve giai cac thong tin", "tu cach hua ve giai cao thong tin", "tu cach hua ve giai ma thong tin", "tu cach mua ve giai ca thong tin", "tu cach chuan ve giai ca thong tin", "tu cach hua ve giai ca thong tinh"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("te sach ba me giai bai thong minh") or ("tu cach hua ve giai ca thong tin"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("te sach ba me giai bai thong minh") OR ("tu cach hua ve giai ca thong tin")).
• Removing quotes may allow a broader search: (( te sach ba me giai bai thong minh ) or ( tu cach hua ve giai ca thong tin )).
• Adding a wildcard symbol may retrieve word variants: (("te sach ba me giai bai thong minh") or ("tu cach hua ve giai ca thong tin"))*.