Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
chieu sang » chieu sach, chieu xanh, hieu lang
tranh cua » doanh cua, manh cua
cua trong » cua truong, cua trung, qua trong
hieu van » hieu va, thien van, lieu va
cong dan » cong san, cong tan, huong dan
toan cao » toan tap
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: ho ((chieu sang) or (hieu van)) - hanh tranh cua trong cong dan ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu van)) - hanh tranh cua trong cong dan ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (hieu van)) - hanh tranh cua trong cong dan ((toan cao) or (toan ban))*.