Perhaps you should try some spelling variations:
khap thong » phap thong, khau thong, khac thuong
pho thong » he thong
sanh tren » sach tren, lanh tren, sinh tren
tren thuc » trien thuc, tron thuc, trinh thuc
khoa khap » khoa kham, khoa khac, kho khan
ki thuat » ky thuat
thuat da » thuat dam, thuat dan, thuat dao
khoa pho » khoa phu, khoa khoa, khoa phau
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
so sanh » do sanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( so sanh ki thuat da khoa pho thong ) or ( so sanh tren thuc anh khoa khap thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( so sanh ki thuat da khoa pho thong ) OR ( so sanh tren thuc anh khoa khap thong )).
• Adding a wildcard symbol may retrieve word variants: (( so sanh ki thuat da khoa pho thong ) or ( so sanh tren thuc anh khoa khap thong ))*.