Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
ho chieu » theo chieu, hoc thieu, doi chieu
cua tong » cua cong, cua nong, cua song
cua dong » chua dong, cua cong, cua dang
cong tan » cong tac, cong san, cong thanh
tan can » toan can, tan van, ban can
can ban » van ban, 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: ho chieu sang - canh tranh ((cua tong) OR (cua dong)) cong tan can ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - canh tranh ((cua tong) OR (cua dong)) cong tan can ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - canh tranh ((cua tong) OR (cua dong)) cong tan can ban*.