Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong bo hon snippets" » "cong bo code snippets", "cong bao hon snippets", "cong so hon snippets", "cong co hon snippets", "cong bo ho snippets", "cong bo ion snippets", "cong ro hon 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: (((("cong bo hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong bo hon snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong bo hon snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong bo hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.