Perhaps you should try some spelling variations:
phuong trinh » chuong trinh, cong trinh, huong tran
giam phuong » giao phuong, dia phuong, nam phuong
sach thanh » sach tranh, sach tham, danh thanh
han truyen » phan truyen, nhan truyen, ran truyen
cong giam » cong giao, dong giam, tong giam
trinh han » trinh quan
te sach » toc sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach thanh cong giam phuong trinh han truyen (thong OR trong)~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach thanh cong giam phuong trinh han truyen (thong OR trong)".
• Adding a wildcard symbol may retrieve word variants: te sach thanh cong giam phuong trinh han truyen (thong OR trong)*.