Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vai cac cach snippets" » "vai cac code snippets", "vai cai cach snippets", "vai cuoc cach snippets", "vai va cach snippets", "va cac cach snippets", "tai cac cach snippets", "voi cac cach 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: (((("vai cac cach snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vai cac cach snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( vai cac cach snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vai cac cach snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.