Perhaps you should try some spelling variations:
duong cong » dung cong, luong cong, duong trong
hieu manh » chieu xanh, hieu nganh, dieu hanh
lieu tinh » trieu tinh, diep tinh, bien tinh
canh tran » canh tranh, hanh trang, banh trang
van duong » van dong, van dung, van phong
tran van » luan van
cong dan » cong san, cong tan, huong dan
chan cau » can cau, chinh cau, nhanh cau
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((hieu manh) or (lieu tinh)) - canh tran van duong cong dan ((chan cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((hieu manh) OR (lieu tinh)) - canh tran van duong cong dan ((chan cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: doi ((hieu manh) or (lieu tinh)) - canh tran van duong cong dan ((chan cau) or (phan cau))*.