Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong cao » truong dai
trinh toan » tinh toan, thanh toan, trinh han
trung cap » trung tam
dong cong » duong cong, dung cong, dang cong
ho chieu » theo chieu, hoc thieu, doi chieu
toan cao » toan ban, toan tap

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 cap) or (truong cao)) dong cong trinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((trung cap) OR (truong cao)) dong cong trinh toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung cap) or (truong cao)) dong cong trinh toan cao*.