Perhaps you should try some spelling variations:
phuong trinh » chuong trinh, cong trinh, huong tran
thong trinh » thong tinh, chuong trinh, cong trinh
quan truyen » qua truyen, gian truyen, phan truyen
sach thanh » sach tranh, danh thanh, sach danh
sach tham » sach nha
cong hiv » chong hiv, among hiv, cong hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach thanh) OR (sach tham)) cong hiv ((thong trinh) or (phuong trinh)) quan truyen thong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach thanh) OR (sach tham)) cong hiv ((thong trinh) OR (phuong trinh)) quan truyen thong.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach thanh) OR (sach tham)) cong hiv ((thong trinh) or (phuong trinh)) quan truyen thong".
• Adding a wildcard symbol may retrieve word variants: tu ((sach thanh) OR (sach tham)) cong hiv ((thong trinh) or (phuong trinh)) quan truyen thong*.