Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chun vu cac snippets" » "chun vu code snippets", "chun su cac snippets", "chun yu cac snippets", "chung cu cac snippets", "chun va cac snippets", "chun tu cac snippets", "chun ve cac 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: (((("chun vu cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chun vu cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chun vu cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chun vu cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.