Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
hanh trinh » canh tranh, hanh chinh
trinh suat » trinh luat, trinh sat, trinh quan
thong cong » trong cong, tong cong, thong thong
cong san » cong tac
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: theo ((chieu sang) OR (chieu xanh)) - hanh trinh suat thong cong san ((toan ban) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (chieu xanh)) - hanh trinh suat thong cong san ((toan ban) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) OR (chieu xanh)) - hanh trinh suat thong cong san ((toan ban) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) OR (chieu xanh)) - hanh trinh suat thong cong san ((toan ban) or (toan tap))*.