Perhaps you should try some spelling variations:
thuoc hanh » thuoc thanh, thuoc hinh, thuoc khang
hanh khuan » khang khuan, khanh thuan, anh chuan
khoa khong » khoi khong, khon khong, khoa cong
hoach bai » hoach bang, hoc bai, sach bai
bai thuoc » ban thuoc, bai hoc, cay thuoc
khuan hoa » khuan khoa, chuan hoa, nhuan khoa
hoa khong » khoi khong, hoa cong, he khong
sinh bai » hinh bai, sinh dai, sinh ban
bai thuc » bao thuc, dai thuc, loai thuc
hanh nha » thanh nha, hanh nhan, hang nha
nha khoa » nhi khoa, da khoa, bia khoa

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 bai thuoc hanh khuan hoa khong ) or ( hoc sinh bai thuc hanh nha khoa khong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu hoach bai thuoc hanh khuan hoa khong ) OR ( hoc sinh bai thuc hanh nha khoa khong ))*.