Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
cong trong » cong thuong, duong trong, cong trinh
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh sinh » hanh tinh, hanh dinh, hinh sinh
vat cong » bat cong, sat cong, vat con
trong ky » trong ca, trong va, trong _
ky phan » ke phan, ly phan, ky phap

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 (hieu manh)) - hanh sinh vat cong trong ky phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu xanh) OR (hieu manh)) - hanh sinh vat cong trong ky phan tu*.