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
cong thanh » dong thanh, cong trinh, cong tan
trung cap » trung tam
ho chieu » theo chieu, hoc thieu, doi chieu
toan tap » toan ban
phan lap » phan dau

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