Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu tinh » chieu tinh, thien tinh, lieu tinh
luong cong » dung cong, trong cong, cong cong
trung hua » trung ha, trung hoa, trung cua
hua luong » huy luong, luan luong, hung luong
cong dan » cong san, cong tan, huong dan
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu tinh) OR (trieu tinh)) - thanh trung hua luong cong dan ((phan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu tinh) OR (trieu tinh)) - thanh trung hua luong cong dan ((phan cau) OR (phan cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu tinh) OR (trieu tinh)) - thanh trung hua luong cong dan ((phan cau) or (phan cac))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu tinh) OR (trieu tinh)) - thanh trung hua luong cong dan ((phan cau) or (phan cac))*.