Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
luat chung » luan chung, luat thuong, cua chung
chung cong » nhung cong, chong cong, phung cong
cong quang » luong quang, thong quang, duong quang
hieu lang » chieu sang, hieu quang, nhieu tang
thuan cam » thuat cam, thuat dam, khoan cam
tuan cap » than cap, toan cao, toan cau
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - hanh trinh luat chung cong quang ((tuan cap) OR (thuan cam))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - hanh trinh luat chung cong quang ((tuan cap) OR (thuan cam))".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh trinh luat chung cong quang ((tuan cap) OR (thuan cam))*.