Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, danh trung
manh trung » manh tung, thanh trung, manh hung
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, ho chieu, hoc hien
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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 - ((hanh trung) OR (manh trung)) tuan ((nhung cong) or (thong cong)) dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - ((hanh trung) OR (manh trung)) tuan ((nhung cong) OR (thong cong)) dan than cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - ((hanh trung) OR (manh trung)) tuan ((nhung cong) or (thong cong)) dan than cau*".