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