Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
tong cong » trong cong, cong cong, dung cong
doc hieu » toc thieu, hoc thieu, hoc hien
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) OR (doi chi)) xanh - canh tranh cua ((nhung cong) OR (tong cong)) dan than ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) OR (doi chi)) xanh - canh tranh cua ((nhung cong) OR (tong cong)) dan than ban".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) OR (doi chi)) xanh - canh tranh cua ((nhung cong) OR (tong cong)) dan than ban*.