Perhaps you should try some spelling variations:
khoan phap » khoan phai, khoa phau, han phap
phap thong » phap phong, phap chong, pho thong
khau thong » khau thuong, khap thong, khau tong
hoach thu » hoach thay, doanh thu, hoach su
cach khoa » bach khoa, cac khoa, anh khoa
khoa khau » khoa kham, khoa phau, khoa chau
thu thuy » thi thuy, thuc thuc, thu thuat
thuy cac » thuyet cac, thuc cach, thuy canh
sach tai » sach bai, sach tham, sach dao
tue cach » tu cach, thuc cach, ve cach
su sach » so sach, vu sach
tai tue » tri tue, tai tu, tai tieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thu hoach thu thuy cac khoan phap thong ) or ( su sach tai tue cach khoa khau thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu hoach thu thuy cac khoan phap thong ) OR ( su sach tai tue cach khoa khau thong )).
• Adding a wildcard symbol may retrieve word variants: (( thu hoach thu thuy cac khoan phap thong ) or ( su sach tai tue cach khoa khau thong ))*.