Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gon cao cong snippets" » "gon cac cong snippets", "gon cao dang snippets", "gon cua cong snippets", "toan cao cong snippets", "cong cao cong snippets", "dong cao 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: (((("gon cao 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: (((("gon cao cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gon cao cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gon cao cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.