Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chen hoc can snippets" » "chen hoc code snippets", "khien hoc can snippets", "chung hoc can snippets", "cho hoc can snippets", "chen hoc dan snippets", "chen hoc cao snippets", "chen hoc cac 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 ("chen hoc 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 ("chen hoc can snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( chen hoc can snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("chen hoc can snippets"))) or ("locating bug core snippets"))*.