Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
cong thanh » dong thanh, cong trinh, cong tan
thanh khoa » thanh hoa, thanh pho, hang khoa
truong va » truong dai, truong cao, truong dao
ho chieu » theo chieu, hoc thieu, doi chieu
trung ha » trung hoc, trung tam, trung cap
khoa tap » khoa tai, khoa than, hoc 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 ((truong va) or (trung ha)) thong cong thanh khoa tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((truong va) OR (trung ha)) thong cong thanh khoa tap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((truong va) or (trung ha)) thong cong thanh khoa tap*.