Perhaps you should try some spelling variations:
kham thong » khap thong, khau thong, pham thuong
thai thuoc » thai thuc, thai hoc, nha thuoc
thuoc sinh » hoc sinh, thu sinh, thuoc sach
khoa kham » kho khan, khoa than
sinh khoa » sinh hoc, sinh hoat
pho thong » he thong
hanh tai » thanh tai, hang tai, han tai
anh khoa » doanh khoa, hang khoa
cot thai » co thai, chat thai, cong thai
khoa pho » khoa phu, khoa khoa, khoa phau
tu hanh » du hanh, lu hanh, thuc hanh
tai thu » thi thu, tai khu, tai thi
thu anh » thuy anh, thu canh, thu oanh
tu cot » tu co

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu hanh tai thu anh khoa kham thong ) OR ( tu cot thai thuoc sinh khoa pho thong ))~.
• Adding a wildcard symbol may retrieve word variants: (( tu hanh tai thu anh khoa kham thong ) or ( tu cot thai thuoc sinh khoa pho thong ))*.