Perhaps you should try some spelling variations:
chieu lang » hieu lang, chi lang, chieu xanh
chieu sang » chieu sach, chieu xanh, hieu lang
canh trinh » canh tranh, hanh trinh, canh tinh
luat huong » luat thuong, suat huong, xuat thuong
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
luat hanh » luat hinh, luat canh, luat danh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu lang) OR (chieu sang)) - canh trinh ((luat hanh) or (luat huong)) cong thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu lang) OR (chieu sang)) - canh trinh ((luat hanh) OR (luat huong)) cong thanh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu lang) OR (chieu sang)) - canh trinh ((luat hanh) or (luat huong)) cong thanh toan ban".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu lang) OR (chieu sang)) - canh trinh ((luat hanh) or (luat huong)) cong thanh toan ban*.