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