Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » dung cong, thong cong, hang cong
chi thanh » chi nhanh, thi thanh, cho thanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
vang tuan » vong tuan, quang tuan, hoang tuan
chi xanh » chi anh, chi danh, chi hanh
van tuan » van quan, van ban, anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi xanh) or (chi thanh)) - hanh tranh cua nhung cong ((vang tuan) OR (van tuan)) tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi xanh) OR (chi thanh)) - hanh tranh cua nhung cong ((vang tuan) OR (van tuan)) tai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chi xanh) or (chi thanh)) - hanh tranh cua nhung cong ((vang tuan) OR (van tuan)) tai".
• Adding a wildcard symbol may retrieve word variants: doi ((chi xanh) or (chi thanh)) - hanh tranh cua nhung cong ((vang tuan) OR (van tuan)) tai*.