Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
doi chieu » doc hieu, doi chi, ho chieu
nang cong » nang song, dang cong, bang cong
trinh da » trinh dan, trinh dao, trinh do
san luan » tang luan, hang luan, quan luan
dan luan » doanh luan, dung luan, tang luan
da nang » cam nang, kha nang, cao nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - hanh trinh da nang cong ((san luan) or (dan luan)) thu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh trinh da nang cong ((san luan) OR (dan luan)) thu*.