Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
trinh luon » trinh luan, trinh duong, trinh huong
luon ung » luan ung, luoc ung, luon suong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cao » toan ban
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - hanh trinh luon ung ((cong dan) OR (cong san)) ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - hanh trinh luon ung ((cong dan) OR (cong san)) ((toan cao) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu xanh - hanh trinh luon ung ((cong dan) OR (cong san)) ((toan cao) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - hanh trinh luon ung ((cong dan) OR (cong san)) ((toan cao) or (toan tap))*.