Perhaps you should try some spelling variations:
thanh khong » thanh hong, thinh khong, thanh chuong
danh thanh » dinh thanh, dang thanh, nhanh thanh
nganh cong » nhanh chong, thanh cong
khong khi » khong he
cong khi » cong thai, co khi, cong ha
thu cuc » thu tuc, thu cua, thu duc
thi cuc » tai cuc
su danh » sau danh, su doanh, su dang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((thu cuc) OR (thi cuc)) nganh cong khi đong luc ) OR ( su danh thanh khong khi đong luc ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((thu cuc) OR (thi cuc)) nganh cong khi đong luc ) or ( su danh thanh khong khi đong luc ))~".
• Adding a wildcard symbol may retrieve word variants: (( ((thu cuc) OR (thi cuc)) nganh cong khi đong luc ) or ( su danh thanh khong khi đong luc ))*.