Perhaps you should try some spelling variations:
cach khoan » cac khoan, cach hoan, bach khoa
phan thong » phan thuong, phan hong, phan tong
khoan danh » khoan dinh, khoan thanh, khoa dang
hoach tri » hoach toi, hoach hoi, hoach thu
danh tong » doanh tong, anh tong, doanh trong
sach tai » sach bai, sach tham, sach dao
tue bach » truc bach, thi bach, vu bach
tue cach » tu cach, thuc cach, ve cach
tu sach » thu sach, su sach, te sach
tai tue » tai tu, tai tieu, tai tren
bach co » bach cau, bach hoa, bach mao

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 tai tue bach co phan thong ) or ( thu hoach tri tue cach khoan danh tong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach tai tue bach co phan thong ) OR ( thu hoach tri tue cach khoan danh tong )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach tai tue bach co phan thong ) or ( thu hoach tri tue cach khoan danh tong ))*.