Perhaps you should try some spelling variations:
phan thuong » hang thuong, phan xuong
sanh trong » sinh trong, anh trong, hanh trong
phap thong » phap chong, pho thong, phap tieng
phap phong » hai phong, phap phan
trong thu » trong nha
hanh khoa » hang khoa, anh khoa, hanh hoa
thu hanh » thuc hanh, thu thanh, thuy hanh
su sanh » so sanh, su sach, su anh

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sanh trong thu hanh khoa ((phan thuong) or (((phap thong) OR (phap phong))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sanh trong thu hanh khoa ((phan thuong) OR (((phap thong) OR (phap phong)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sanh trong thu hanh khoa ((phan thuong) or (((phap thong) OR (phap phong))))".
• Adding a wildcard symbol may retrieve word variants: su sanh trong thu hanh khoa ((phan thuong) or (((phap thong) OR (phap phong))))*.