Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
thuc bach » truc bach, thuc cach, thuoc sach
bach khoa » anh khoa
khoa than » khoa luan, hoa thai, hoa tan
than cong » thanh cong, thuan cong, phan cong
cong va » dong va, cong ha, cong tac
va dinh » van dinh, va kinh, va tinh

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) OR (do sanh)) triet hoc chuyen đe ky thuat: kien thuc bach khoa than cong va dinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sanh) OR (do sanh)) triet hoc chuyen đe ky thuat: kien thuc bach khoa than cong va dinh".
• Adding a wildcard symbol may retrieve word variants: ((so sanh) OR (do sanh)) triet hoc chuyen đe ky thuat: kien thuc bach khoa than cong va dinh*.