Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
thanh cap » thanh lap, hanh cap, thanh ca
trinh va » trinh van, trinh vat, trinh ve
va thong » va thuong, va phuong, he thong
cong van » cong vang, cong san, song van
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu xanh) or (chieu sang)) - hanh trinh va thong cong van ((thanh cap) OR (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sang)) - hanh trinh va thong cong van ((thanh cap) OR (than cap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chieu sang)) - hanh trinh va thong cong van ((thanh cap) OR (than cap))*".