Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
luat huong » luat thuong, suat huong, xuat thuong
huong cong » luong cong, duong cong, cuong cong
pho bien » phan bien, che bien, so bien
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap
ho bien » hoa bien, so bien, bo bien

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho bien) OR (pho bien)) tinh - hanh trinh luat huong cong trinh ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho bien) OR (pho bien)) tinh - hanh trinh luat huong cong trinh ((toan tai) OR (toan cao))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho bien) OR (pho bien)) tinh - hanh trinh luat huong cong trinh ((toan tai) or (toan cao))*".