Perhaps you should try some spelling variations:
khoang minh » hoang minh, khong minh, thong minh
sach chai » sach nha, sach tham, sach bai
cong minh » cong vinh, cong tinh, song minh
ca khoang » da khoang, tao khoang, dai khoang
sach cha » sach nha, sach che, sach ha
tu sach » thu sach, su sach, te sach
me giai » de giai, ve giai, ke giai
giai ca » giai cac, giai cao, giai ma
ca cong » cua cong, cac cong, cao cong
chai va » chat va, thai va, hai va

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu sach cha me giai ca cong minh ) or ( tu sach chai va giai ca khoang minh ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach cha me giai ca cong minh ) OR ( tu sach chai va giai ca khoang minh )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach cha me giai ca cong minh ) or ( tu sach chai va giai ca khoang minh ))*.