Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tao chat cho snippets" » "tao chat code snippets", "cao chat cho snippets", "van chat cho snippets", "tao cao cho snippets", "tao chat co snippets", "tao chat thom snippets", "tao cap cho snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("tao chat cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tao chat cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tao chat cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao chat cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.