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