Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luan len cua snippets" » "luan len code snippets", "luan lien cua snippets", "luan den cua snippets", "luan van cua snippets", "luan le cua snippets", "luan gen cua snippets", "luan ben cua 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: (((("luan len cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luan len cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( luan len cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luan len cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.