Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
luan tranh » luan thanh, lan tranh, quan thanh
hoc chieu » hoc thieu, ho chieu, hoc hien
cong tuan » cong tan, cong luan, cong thanh
tuan chat » luan chat, tuan phat, chuan chat
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
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 sach - ((luan tranh) or (canh tranh)) ((cua dung) OR (cua dang)) cong tuan chat cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - ((luan tranh) OR (canh tranh)) ((cua dung) OR (cua dang)) cong tuan chat cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - ((luan tranh) or (canh tranh)) ((cua dung) OR (cua dang)) cong tuan chat cao".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - ((luan tranh) or (canh tranh)) ((cua dung) OR (cua dang)) cong tuan chat cao*.