Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha ban cu snippets" » "pha san cu snippets", "pha tan cu snippets", "nhat ban cu snippets", "pha ban cua snippets", "pha ban cau snippets", "pha ban tu 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 ban cu 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 ban cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha ban cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha ban cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.