Perhaps you should try some spelling variations:
thanh trung » thanh tung
phuong dan » phuong danh, phuong doan, huong dan
lieu tinh » trieu tinh, bien tinh
trung cua » truong cua, trung tuan, trung cap
cua bang » chua bang, cua ban, cua dang
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((lieu tinh) OR (diep tinh)) - thanh trung cua bang phuong dan than ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((lieu tinh) OR (diep tinh)) - thanh trung cua bang phuong dan than ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((lieu tinh) OR (diep tinh)) - thanh trung cua bang phuong dan than ban*.