Perhaps you should try some spelling variations:
hoc chieu » hoc thieu, hoc hien, hoc dieu
lan tranh » lanh tranh, luan tranh, can tranh
dong cong » duong cong, dung cong, dang cong
cong tuan » cong tan, cong luan, cong thanh
tuan chat » luan chat, tuan phat, chuan chat
ho chieu » theo chieu, hoc thieu, doi chieu
cua dong » chua dong, cua cong, cua dang
chat cao » chat co, chat cho, chat bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) OR (ho chieu)) sach - ((lan tranh) or (canh tranh)) cua dong cong tuan chat cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (ho chieu)) sach - ((lan tranh) OR (canh tranh)) cua dong cong tuan chat cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) OR (ho chieu)) sach - ((lan tranh) or (canh tranh)) cua dong cong tuan chat cao".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) OR (ho chieu)) sach - ((lan tranh) or (canh tranh)) cua dong cong tuan chat cao*.