Perhaps you should try some spelling variations:
phuong cong » phong cong, phung cong, phuong hoang
phuong dong » phuong dung, phuong hoang, chuong duong
lieu tinh » trieu tinh, diep tinh, bien tinh
canh tran » canh tranh, hanh trang, banh trang
tran van » luan van
phan cau » phan dau, phan cac, phan lap
ho lieu » so lieu, co lieu, ho kieu

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

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