Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cua » truong cua, trung cap, dung cua
cong dan » cong san, cong tan, huong dan
chan ban » chat ban, chan nan, chan doan
can ban » van ban, toan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - hanh ((trung cua) OR (trung tuan)) thuong cong dan ((chan ban) or (can ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh ((trung cua) OR (trung tuan)) thuong cong dan ((chan ban) OR (can ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - hanh ((trung cua) OR (trung tuan)) thuong cong dan ((chan ban) or (can ban))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((trung cua) OR (trung tuan)) thuong cong dan ((chan ban) or (can ban))*.