Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
kham thong » khap thong, khau thong, pham thuong
hoach tri » hoach toi, hoach hoi, hoach thu
khoa kham » kho khan, khoa than
sach tri » sach tai, sach tren, sach truc
tri thuc » tri tue
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
du bang » dau bang, duc bang, de bang

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 tri du bang phuong _ thong ) or ( thuoc sach tri thuc anh khoa kham thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu hoach tri du bang phuong _ thong ) OR ( thuoc sach tri thuc anh khoa kham thong )).
• Adding a wildcard symbol may retrieve word variants: (( thu hoach tri du bang phuong _ thong ) or ( thuoc sach tri thuc anh khoa kham thong ))*.