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