Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » thong cong, hang cong, nhung don
doi chieu » doc hieu, doi chi, ho chieu
lan tranh » lanh tranh, luan tranh, can tranh
dung cong » dung trong
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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 xanh - ((lan tranh) or (hanh trinh)) va ((nhung cong) OR (dung cong)) dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((lan tranh) OR (hanh trinh)) va ((nhung cong) OR (dung cong)) dan than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - ((lan tranh) or (hanh trinh)) va ((nhung cong) OR (dung cong)) dan than cap".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - ((lan tranh) or (hanh trinh)) va ((nhung cong) OR (dung cong)) dan than cap*.