Perhaps you should try some spelling variations:
hanh tranh » hanh trinh, hanh trang, lanh tranh
nhung cong » dung cong, thong cong, hang cong
lieu tinh » trieu tinh, diep tinh, bien tinh
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
so lieu » so dieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so lieu tinh - ((hanh tranh) or (canh tranh)) va nhung cong dan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so lieu tinh - ((hanh tranh) OR (canh tranh)) va nhung cong dan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: so lieu tinh - ((hanh tranh) or (canh tranh)) va nhung cong dan ((toan cau) or (toan ban))*.