Perhaps you should try some spelling variations:
phap thong » phap phong, phap chong, pho thong
khoan khau » khoanh khac, khoa kham, khoa phau
khau thong » khau thuong, khap thong, khau tong
hoach thu » hoach thay, doanh thu, hoach su
khoa phap » khoa phau, khoan phai, khong phap
cao khoan » cac khoan, cao khoa, tao khoang
thu thuc » thuc thuc, thu thuoc, thue thuc
thuc cac » thuc cach, tuc cac, phuc cac
cac khoa » cac khoan, cac khoi, dac khoa
sach tai » sach bai, sach tham, sach dao
su sach » so sach, vu sach
tai te » tai tu, tai he, tai le
te cao » te bao

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 thuc cac khoa phap thong ) or ( su sach tai te cao khoan khau thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu hoach thu thuc cac khoa phap thong ) OR ( su sach tai te cao khoan khau thong )).
• Adding a wildcard symbol may retrieve word variants: (( thu hoach thu thuc cac khoa phap thong ) or ( su sach tai te cao khoan khau thong ))*.