Perhaps you should try some spelling variations:
nguoi cham » nguoi thai
khoan minh » khoa minh, khoan dinh, hoang minh
cham hong » pham hong, chan hong, pham hoang
hong minh » hoang minh, thong minh, khong minh
sach han » sach tham, sach danh, sach nang
giai cac » gian cac, giai ca, giai cao
tu sach » thu sach, su sach, te sach
de giai » dan giai, kem giai
cua me » cua mes, cua te, cua he
han de » hanh de, van de, han du

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 ((cua me) OR (cha me)) nguoi cham hong minh ) or ( tu sach han de giai cac khoan minh ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach ((cua me) OR (cha me)) nguoi cham hong minh ) OR ( tu sach han de giai cac khoan minh )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tu sach ((cua me) OR (cha me)) nguoi cham hong minh ) or ( tu sach han de giai cac khoan minh ))".
• Adding a wildcard symbol may retrieve word variants: (( tu sach ((cua me) OR (cha me)) nguoi cham hong minh ) or ( tu sach han de giai cac khoan minh ))*.