Perhaps you should try some spelling variations:
sanh thanh » danh thanh, san thanh, nhanh thanh
anh thanh » danh thanh, nhanh thanh, thanh thanh
cao thanh » dao thanh, cho thanh, cac thanh
thanh hoa » thanh pho
cong khi » cong thai, khong khi, co khi
su cao » cu cao, vu cao, su co
hoa hi » hoa phi, hoa hoi, hoa thi

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( so ((sanh thanh) OR (anh thanh)) cong khi đong luc ) or ( su cao thanh hoa hi đong luc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( so ((sanh thanh) OR (anh thanh)) cong khi đong luc ) OR ( su cao thanh hoa hi đong luc )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( so ((sanh thanh) OR (anh thanh)) cong khi đong luc ) or ( su cao thanh hoa hi đong luc ))".
• Adding a wildcard symbol may retrieve word variants: (( so ((sanh thanh) OR (anh thanh)) cong khi đong luc ) or ( su cao thanh hoa hi đong luc ))*.