Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
trinh phan » trinh han, trinh quan, thanh phan
hoc thieu » toc thieu, hoc hien
phan cong » thanh cong
cong cong » cong dong, trong cong, dung cong
dan tocn » dan toan, dang toan, dan hoc

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 - hanh trinh phan cong cong ((dan tocn) or (dan toc)) bi~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh phan cong cong ((dan tocn) OR (dan toc)) bi*.