Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
thong cong » trong cong, tong cong, thong thong
truong ca » truong cao, truong va, trong ca
manh toan » thanh toan, anh tuan
ho chieu » theo chieu, hoc thieu, doi chieu

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 - thanh ((trung tuan) or (truong ca)) thong cong ((manh toan) OR (tinh toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((trung tuan) OR (truong ca)) thong cong ((manh toan) OR (tinh toan)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((trung tuan) or (truong ca)) thong cong ((manh toan) OR (tinh toan)) tap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung tuan) or (truong ca)) thong cong ((manh toan) OR (tinh toan)) tap*.