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