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 qua » trinh quan, trinh cua, trinh quang
qua thong » qua trong, quang thong, suat thong
cong tac » cong ty
toan ban » van ban

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 qua thong ((cong san) or (cong tac)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - hanh trinh qua thong ((cong san) OR (cong tac)) toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - hanh trinh qua thong ((cong san) or (cong tac)) toan ban*.