Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bo bia cong snippets" » "bo gia cong snippets", "bo bi cong snippets", "bo giua cong snippets", "bo ba cong snippets", "bo dia cong snippets", "bo tia cong snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("bo bia cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bo bia cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bo bia cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bo bia cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.