Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
nhanh tang » nhanh thang, nhanh lang, nhanh mang
hoan chinh » hanh chinh, hoa hinh
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
tran ban » tranh ban, tran van, toan 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 xanh) OR (chieu sang)) - nhanh tang ((luan chi) or (hoan chinh)) cong tac tran ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - nhanh tang ((luan chi) OR (hoan chinh)) cong tac tran ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) OR (chieu sang)) - nhanh tang ((luan chi) or (hoan chinh)) cong tac tran ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) OR (chieu sang)) - nhanh tang ((luan chi) or (hoan chinh)) cong tac tran ban*.