Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
tranh va » tranh van, trang va, trinh va
huy toan » huy tran, huu toan, huy hoang
toan cau » toan cao, toan ban, toan 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 - canh tranh va ((nhung cong) OR (dung cong)) huy toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - canh tranh va ((nhung cong) OR (dung cong)) huy toan cau".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - canh tranh va ((nhung cong) OR (dung cong)) huy toan cau*.