Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
nhung cong » dung cong, thong cong, nhung don
che chinh » te chinh
tinh quan » tinh quang, trinh quan, tin quan
hang cong » dang cong, hang nong, bang cong
than cao » thai cao, than cap, than sao
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: che chinh sach - nhanh tinh quan ((nhung cong) OR (hang cong)) vang ((than cao) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: che chinh sach - nhanh tinh quan ((nhung cong) OR (hang cong)) vang ((than cao) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "che chinh sach - nhanh tinh quan ((nhung cong) OR (hang cong)) vang ((than cao) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: che chinh sach - nhanh tinh quan ((nhung cong) OR (hang cong)) vang ((than cao) or (toan cao))*.