Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
canh tinh » hanh tinh, manh tinh, canh tranh
hang cong » dang cong, hang nong, bang cong
vang toan » van toan, dang toan, quang toan
yen tinh » tuyen tinh
toan cao » toan ban, toan tap
tinh va » tich va, trinh van, trinh vat
ho yen » o yen, chao yen, hong yen

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho yen tinh - canh tinh va ((nhung cong) OR (hang cong)) vang toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho yen tinh - canh tinh va ((nhung cong) OR (hang cong)) vang toan cao".
• Adding a wildcard symbol may retrieve word variants: ho yen tinh - canh tinh va ((nhung cong) OR (hang cong)) vang toan cao*.