Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
cong tan » cong tac, cong san, cong thanh
nhan tai » hang tai, van tai, toan tai
chan ta » chan tha, nhan tao, phan tap

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 xanh - ((hanh tang) or (hanh mang)) cua nhung cong tan ((chan ta) OR (nhan tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - ((hanh tang) OR (hanh mang)) cua nhung cong tan ((chan ta) OR (nhan tai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - ((hanh tang) or (hanh mang)) cua nhung cong tan ((chan ta) OR (nhan tai))".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - ((hanh tang) or (hanh mang)) cua nhung cong tan ((chan ta) OR (nhan tai))*.