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
ung cong » dung cong, luong cong, duong cong
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tai
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 ((toan cau) 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 ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - hanh trinh luon ung cong dan ((toan cau) or (toan tap))*.