Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tiep can du snippets" » "tiep van du snippets", "tiep han du snippets", "tiep can da snippets", "tien can du snippets", "tieu can du 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 can du 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 can du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tiep can du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tiep can du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.