Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tiep cua can snippets" » "tiep can can snippets", "dieu cua can snippets", "tap cua can snippets", "tiep cua cac snippets", "tiep cua ban snippets", "tiep cua dan 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: (((("tiep cua can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tiep cua can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tiep cua can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tiep cua can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.