Perhaps you should try some spelling variations:
chang roberto » chase robert
cut using » out using, et using, rdt using
att using » et using, out using, rdt using
roberto n » robert _, robert e, robert j
yao yang » yang yang
i time » ii time, 3 time, 1 time
4 time » 3 time

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yao yang) or (tan hong)) ((i time) OR (4 time)) ((cut using) or (att using)) chang roberto n ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yao yang) OR (tan hong)) ((i time) OR (4 time)) ((cut using) OR (att using)) chang roberto n ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yao yang) or (tan hong)) ((i time) OR (4 time)) ((cut using) or (att using)) chang roberto n ;*".