Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
hieu lang » chieu sang, hieu quang, nhieu tang
tranh cua » doanh cua, manh cua
cong cong » cong dong, trong cong, dung cong
cong van » cong vang, cong san, song van
toan cau » toan cao, toan tap, toan tai
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - hanh tranh cua cong cong van ((toan cau) or (((toan ban) or (van ban))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh tranh cua cong cong van ((toan cau) OR (((toan ban) OR (van ban)))).
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh tranh cua cong cong van ((toan cau) or (((toan ban) or (van ban))))*.