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