Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
canh manh » lanh manh, canh tranh, cach mang
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, cong dong
toan tap » toan ban
toan cao » toan ban
manh va » hanh va, anh va, minh va
va hang » van hang, va nang, va lang

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 manh va hang ((cong dan) OR (huong dan)) ((toan tap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - canh manh va hang ((cong dan) OR (huong dan)) ((toan tap) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - canh manh va hang ((cong dan) OR (huong dan)) ((toan tap) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - canh manh va hang ((cong dan) OR (huong dan)) ((toan tap) or (toan cao))*.