Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua co vong snippets" » "cua co dong snippets", "cua co tong snippets", "cua co xuong snippets", "cua bo vong snippets", "cua cong vong 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: (((("cua co vong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua co vong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua co vong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua co vong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.