Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can song du snippets" » "can dong du snippets", "cau song du snippets", "con song du snippets", "can song da snippets", "can mong du snippets", "can song ngu 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: (((("can song 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: (((("can song du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can song du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can song du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.