Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"va chat o2 snippets" » "va chat code snippets", "van chat o2 snippets", "va phat o2 snippets", "va cham o2 snippets", "va chat hoa snippets", "va chat hoc snippets", "va chat doc 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: (((("va chat o2 snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va chat o2 snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( va chat o2 snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va chat o2 snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.