Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha tinh can snippets" » "phap tinh can snippets", "pham tinh can snippets", "ha tinh can snippets", "pha tinh cao snippets", "pha tinh ca snippets", "pha minh can 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: (((("pha tinh 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: (((("pha tinh can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha tinh can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha tinh can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.