Perhaps you should try some spelling variations:
cang thang » cong thanh, dang thanh
hien manh » hien hanh, tien manh, hieu manh
hang hang » nang hang, hung thang, lang thang
dang cong » dung cong
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tai
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: hoc hien manh - ((hang hang) or (cang thang)) cua dang cong tan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien manh - ((hang hang) OR (cang thang)) cua dang cong tan ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc hien manh - ((hang hang) or (cang thang)) cua dang cong tan ((toan cau) or (toan tap))*.