Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
hanh tang » anh tang, hanh mang, hanh tung
cua nhung » va nhung
cong tuan » cong tan, cong luan, cong thanh
tuan han » tuan hoan, luan han, tran han
han tap » han tai, toan tap, nhan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) OR (chiet tach)) - ((hanh tang) or (hanh trang)) cua nhung cong tuan han tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chiet tach)) - ((hanh tang) OR (hanh trang)) cua nhung cong tuan han tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chiet tach)) - ((hanh tang) or (hanh trang)) cua nhung cong tuan han tap".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chiet tach)) - ((hanh tang) or (hanh trang)) cua nhung cong tuan han tap*.