Perhaps you should try some spelling variations:
khan thong » khap thong, khau thong, nhan thong
cach thuc » anh thuc, cac thu
thuc phuc » thuc thuc, thuc phu, thuat phuc
khoan thu » khoa thu, khoang thi, hoai thu
thu tuong » tu tuong, thu huong, thuy duong
hoc cach » hoc cac, hoc sach, cuoc cach
phuc cac » phuc cam, phuc ca, phuc cham
sach tri » sach tai, sach tren, sach truc
cua benh » chua benh, cua ban, cac benh
benh kho » benh khong, benh phoi, benh hoc
kho khan » khoa kham, khoa than
vu sach » vu bach, su sach, vu khach

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( hoc cach thuc phuc cac khoan thu tuong ) or ( vu sach tri cua benh kho khan thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( hoc cach thuc phuc cac khoan thu tuong ) OR ( vu sach tri cua benh kho khan thong )).
• Adding a wildcard symbol may retrieve word variants: (( hoc cach thuc phuc cac khoan thu tuong ) or ( vu sach tri cua benh kho khan thong ))*.