Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, ho chieu
hanh tung » thanh tung, manh tung, hanh dung
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - ((hanh tung) or (hanh trinh)) cua ((nhung cong) OR (thong cong)) dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - ((hanh tung) OR (hanh trinh)) cua ((nhung cong) OR (thong cong)) dan than ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - ((hanh tung) or (hanh trinh)) cua ((nhung cong) OR (thong cong)) dan than ban*".