Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
trung cam » trung tam, trung cap, trung nam
dung cong » dung trong
cam dung » cam hung, am dung, cao dung
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac
phan cac » nhan cach, phan dau, phan lap

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 lang)) - hanh trung cam dung cong san ((than cap) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - hanh trung cam dung cong san ((than cap) OR (phan cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (hieu lang)) - hanh trung cam dung cong san ((than cap) or (phan cac))".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (hieu lang)) - hanh trung cam dung cong san ((than cap) or (phan cac))*.