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
trinh toan » tinh toan, trinh han, trinh quan
hang luong » nang luong, hang thuong, hoang vuong
thanh toan » thanh hoa, thanh san, tinh toan
toan hang » toan thang, toan hanh, toan mang
manh toan » anh tuan, tinh toan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sang)) - hanh trinh toan hang luong ((manh toan) OR (thanh toan)) ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) OR (chieu sang)) - hanh trinh toan hang luong ((manh toan) or (thanh toan)) ban~".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) OR (chieu sang)) - hanh trinh toan hang luong ((manh toan) or (thanh toan)) ban*.