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
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
trinh va » trinh van, trinh vat, trinh ve
va thong » va thuong, va phuong, he thong
toan tap » 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)) - hanh trinh va thong cong hach toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - hanh trinh va thong cong hach toan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sang)) - hanh trinh va thong cong hach toan tap*.