Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong cao » truong dai
thong cong » trong cong, tong cong, thong thong
trung cua » truong cua, trung tuan, trung cap
ho chieu » theo chieu, hoc thieu, doi chieu
cong tap » cuong tap, cong tac, cong tan
tap doan » tap quan
doan tap » toan tap, doan cap, doanh 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 - thanh ((trung cua) or (truong cao)) thong cong tap doan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((trung cua) OR (truong cao)) thong cong tap doan tap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung cua) or (truong cao)) thong cong tap doan tap*.