Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
chung cong » chong cong, chung thong, nhung chong
nhung cong » dung cong, thong cong, hang cong
phung cong » phong cong, nhung chong, dung cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh trinh quan ((((chung cong) OR (nhung cong))) or (phung cong)) dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh trinh quan ((((chung cong) OR (nhung cong))) OR (phung cong)) dan toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh trinh quan ((((chung cong) OR (nhung cong))) or (phung cong)) dan toan cau*".