Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
cong thanh » dong thanh, cong trinh, cong tan
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong danh » cuong danh, cong dan, cong khanh
toan cao » toan ban
toan tap » toan ban

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

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