Perhaps you should try some spelling variations:
frames human » rates human, wages human, farms human
time frames » time frame
human time » oman time
yang yang » wang yang, wang yan
sts human » its human, sdgs human, vs human
young eun » young men
yang xi » yang di, yang yi, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((zhang fan) or (yang yang))) or (yang xi))ng sts human time frames human young eun ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((zhang fan) OR (yang yang))) OR (yang xi))ng sts human time frames human young eun ;.
• Adding a wildcard symbol may retrieve word variants: ((((zhang fan) or (yang yang))) or (yang xi))ng sts human time frames human young eun ;*.