Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong bi hoi snippets" » "cong bi code snippets", "uong bi hoi snippets", "cong li hoi snippets", "cong ti hoi snippets", "cong bia hoi snippets", "cong bi hai snippets", "cong bi hoa 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 bi hoi 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 bi hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong bi hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong bi hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.