Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luc hanh cap snippets" » "luc hanh code snippets", "luc canh cap snippets", "luu hanh cap snippets", "duc hanh cap snippets", "luc hanh cac snippets", "luc hanh cat snippets", "luc hanh cad 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 hanh cap 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 hanh cap snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( luc hanh cap snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc hanh cap snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.