Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
trinh cua » tinh cua, trinh quan, trinh luan
nang cong » nang song, dang cong, bang cong
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 sach)) - hanh ((trinh cua) or (trinh luat)) nang cong thanh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sach)) - hanh ((trinh cua) OR (trinh luat)) nang cong thanh toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) OR (chieu sach)) - hanh ((trinh cua) or (trinh luat)) nang cong thanh toan tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) OR (chieu sach)) - hanh ((trinh cua) or (trinh luat)) nang cong thanh toan tap*.