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