Perhaps you should try some spelling variations:
cong luong » cong thuong, nang luong, cong dong
cong huong » cong thuong, cong hung, dong huong
hanh tang » hanh trang, anh tang, hanh mang
ban thanh » ban hanh, ban hang
thanh lap » thanh san, phan lap, thanh hai
theo chu » theo chieu, cho chu, chao chu
doc hieu » toc thieu, hoc thieu, hoc hien
tang cua » mang cua, hang cua, tang luan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chu) or (doc hieu)) xanh - hanh tang cua ((cong huong) OR (cong luong)) ban thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (doc hieu)) xanh - hanh tang cua ((cong huong) OR (cong luong)) ban thanh lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chu) or (doc hieu)) xanh - hanh tang cua ((cong huong) OR (cong luong)) ban thanh lap".
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (doc hieu)) xanh - hanh tang cua ((cong huong) OR (cong luong)) ban thanh lap*.