Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
thanh trung » thanh tung
hanh trang » canh tranh, hanh trinh, minh trang
hanh tranh » canh tranh, hanh trinh, lanh tranh
lieu tinh » trieu tinh, diep tinh, bien tinh
va phuong » va thuong, cac phuong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac
co lieu » cot lieu, co hieu, so lieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: co lieu tinh - ((hanh tranh) or (((hanh trang) OR (thanh trung)))) va phuong cong dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co lieu tinh - ((hanh tranh) OR (((hanh trang) OR (thanh trung)))) va phuong cong dan than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "co lieu tinh - ((hanh tranh) or (((hanh trang) OR (thanh trung)))) va phuong cong dan than cap".
• Adding a wildcard symbol may retrieve word variants: co lieu tinh - ((hanh tranh) or (((hanh trang) OR (thanh trung)))) va phuong cong dan than cap*.