Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luc xuan can snippets" » "luc xuan code snippets", "luoc xuan can snippets", "luc luan can snippets", "luc quan can snippets", "luc xuan cang snippets", "luc xuan tan snippets", "luc xuan chanh 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: (((("luc xuan can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc xuan can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( luc xuan can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc xuan can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.