Perhaps you should try some spelling variations:
tuong quan » truong quan, thong quan, luong quan
dung cong » dung trong
san thanh » ban thanh, van thanh, son thanh
thanh bac » nhanh bac, thanh bai, thanh san
chi xanh » chi anh, chi danh, chi hanh
tung qua » dung qua, trung quan, duong qua
cong san » cong tac
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: doi chi xanh - thanh ((tung qua) OR (tuong quan)) dung cong san thanh bac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - thanh ((tung qua) OR (tuong quan)) dung cong san thanh bac".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - thanh ((tung qua) OR (tuong quan)) dung cong san thanh bac*.