Perhaps you should try some spelling variations:
phan thuong » hang thuong, phan xuong
hoach tien » hoach chien, hoach toan, sach tien
khoan phap » khoan phai, khoa phau, han phap
phap phong » hai phong, phap phan
truc thuoc » thuc thuc, tri thuoc, tu thuoc
thuoc cach » thuoc sach, thuc cach, truoc cach
tien thuc » trien thuc, kien thuc, bien thuc
sach truc » cach thuc, sach tren, sach thu
cach khoa » bach khoa, cac khoa, anh khoa
khoa phan » hoa phan, khoa than, khoa phau
thuc cac » thuc cach, tuc cac, phuc cac
tu sach » thu sach, su sach, te sach

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 tien thuc cac khoan phap phong ) or ( tu sach truc thuoc cach khoa phan thuong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu hoach tien thuc cac khoan phap phong ) OR ( tu sach truc thuoc cach khoa phan thuong )).
• Adding a wildcard symbol may retrieve word variants: (( thu hoach tien thuc cac khoan phap phong ) or ( tu sach truc thuoc cach khoa phan thuong ))*.