Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
ngang quan » nang quan, nganh quan, tang quan
hoc thieu » toc thieu, hoc hien
hanh hinh » hanh chinh, hanh tinh, hanh dinh
hinh luat » hanh luat, trinh luat, chinh luan
cong cong » cong dong, trong cong, dang cong
dung cong » dung trong

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu manh - hanh hinh luat ((cong cong) or (dung cong)) ngang quan he~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - hanh hinh luat ((cong cong) OR (dung cong)) ngang quan he*.