Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thieu xanh » chieu xanh, thien anh, thien danh
thuong con » thuong dong, truong cong, thong cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
van tuan » van quan, van ban, anh tuan
van tai » von tai
luat » luan, xuat

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 xanh) OR (hieu manh)) - hanh trinh luat thuong con ((van tai) or (van tuan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - hanh trinh luat thuong con ((van tai) OR (van tuan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - hanh trinh luat thuong con ((van tai) or (van tuan)) cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (hieu manh)) - hanh trinh luat thuong con ((van tai) or (van tuan)) cao*.