Perhaps you should try some spelling variations:
"bac tra chat snippets" » "bac tra code snippets", "bac tran chau snippets", "bac tran nhat snippets", "bac hoa chat snippets", "bac thay chat snippets", "bac thua chat snippets", "boc tran chat 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 tra chat 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 tra chat snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( bac tra chat snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("bac tra chat snippets"))) or ("locating bug core snippets"))*.