Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trinh » canh tranh, hanh chinh
cong thong » cong thuong, cong trong, dong thong
trinh cua » tinh cua, trinh luat, trinh quan
thong ly » thong le, thong my, trong ly
ly phan » ly nhan, duy phan

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) or (chieu sang)) - hanh trinh cua cong thong ly phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu xanh) OR (chieu sang)) - hanh trinh cua cong thong ly phan tu*.