Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lich van hoe snippets" » "lich van code snippets", "tich van hoe snippets", "lich va hoe snippets", "lich can hoe snippets", "lich van hoa snippets", "lich van hoc snippets", "lich van hieu 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: (((("lich van hoe snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lich van hoe snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( lich van hoe snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lich van hoe snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.