Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sach » chieu sach, thien hach, hieu cach
trung cap » truong cao, trung tam
cap thong » cap tong, chap thuong, phap thong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu sach - thanh trung cap thong ((cong dan) OR (cong san)) than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu sach - thanh trung cap thong ((cong dan) OR (cong san)) than cap".
• Adding a wildcard symbol may retrieve word variants: toc thieu sach - thanh trung cap thong ((cong dan) OR (cong san)) than cap*.