Perhaps you should try some spelling variations:
khong xuong » khong dung, hong vuong, thong duong
khong huong » thong huong, thong thuong, thong chuong
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
phan cau » phan dau, phan cac, phan lap
ho cuu » ho chu, ho cua, so cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho cuu tinh - hanh tranh cua ((khong huong) or (khong xuong)) dan ((phan cau) OR (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho cuu tinh - hanh tranh cua ((khong huong) OR (khong xuong)) dan ((phan cau) OR (phan tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho cuu tinh - hanh tranh cua ((khong huong) or (khong xuong)) dan ((phan cau) OR (phan tu))".
• Adding a wildcard symbol may retrieve word variants: ho cuu tinh - hanh tranh cua ((khong huong) or (khong xuong)) dan ((phan cau) OR (phan tu))*.