Perhaps you should try some spelling variations:
thanh trung » thanh tung
thong cong » trong cong, tong cong, thong thong
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
thang cac » thong cac, thanh cac, trong cac
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
hang cac » hang ca, hang cau, bang cac
doi chi » doi khi

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) or (doi chi)) sach - thanh trung cua thong cong dan ((thang cac) or (hang cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chi)) sach - thanh trung cua thong cong dan ((thang cac) OR (hang cac)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chi)) sach - thanh trung cua thong cong dan ((thang cac) or (hang cac))*.