Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trinh » canh tranh, hanh chinh
doi chieu » doc hieu, doi chi, ho chieu
trinh han » trinh quan
han thanh » phan thanh, hoan thanh, huan thanh
van thanh » ban thanh, van tuan
dan than » dan chan, ban than, van than

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 sang - hanh trinh han thanh cong ((dan than) or (van thanh)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - hanh trinh han thanh cong ((dan than) OR (van thanh)) tap*.