Perhaps you should try some spelling variations:
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
canh manh » lanh manh, canh tranh, cach mang
doc hieu » toc thieu, hoc thieu, hoc hien
ho chieu » theo chieu, hoc thieu, doi chieu
manh cua » doanh cua, ban cua
dan chon » dan chan, dan cho, dinh chon
chon tu » con tu, cho tu, choi tu

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 (ho chieu)) xanh - canh manh cua ((nhung cong) OR (thong cong)) dan chon tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (ho chieu)) xanh - canh manh cua ((nhung cong) OR (thong cong)) dan chon tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) or (ho chieu)) xanh - canh manh cua ((nhung cong) OR (thong cong)) dan chon tu".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (ho chieu)) xanh - canh manh cua ((nhung cong) OR (thong cong)) dan chon tu*.