Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, chien tranh
hanh trinh » canh tranh, hanh chinh
thanh toan » thanh hoa, thanh san, tinh toan
hien hanh » dieu hanh
luat hang » luat hanh, luat chung, luat quang
hang nong » thang long, han tong
nong danh » nong dan, cong danh, dong danh
thanh tai » thanh hai, doanh tai, thanh san

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien thanh) OR (hien hanh)) - hanh trinh luat hang nong danh ((thanh tai) or (thanh toan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien thanh) OR (hien hanh)) - hanh trinh luat hang nong danh ((thanh tai) OR (thanh toan))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien thanh) OR (hien hanh)) - hanh trinh luat hang nong danh ((thanh tai) or (thanh toan))*".