Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc van can snippets" » "hoc van code snippets", "hoc dan can snippets", "hoc va can snippets", "hoc vat can snippets", "hoc van canh snippets", "hoc van ban snippets", "hoc ban can 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 van can 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 van can snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( hoc van can snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("hoc van can snippets"))) or ("locating bug core snippets"))*.