Perhaps you should try some spelling variations:
canh tinh » hanh tinh, manh tinh, canh tranh
cong vang » cong quang, cong ngang, cong san
cong lang » cong luong, cong quang, cong ngang
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 vang) OR (cong lang)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho yen tinh - canh tinh va nhung ((cong vang) OR (cong lang)) toan cao".
• Adding a wildcard symbol may retrieve word variants: ho yen tinh - canh tinh va nhung ((cong vang) OR (cong lang)) toan cao*.