Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"con trai cuc snippets" » "con trai code snippets", "con trau cuc snippets", "song trai cuc snippets", "con tap cuc snippets", "con tai cuc snippets", "con thi cuc snippets", "con tai cac 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: (((("con trai cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con trai cuc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( con trai cuc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con trai cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.