Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan he cua snippets" » "toan ho cua snippets", "toan ke cua snippets", "toan ve cua snippets", "toan le cua snippets", "toan hu cua snippets", "toan de cua 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: (((("toan he cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toan he cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan he cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan he cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.