Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"long va chu snippets" » "luong va chu snippets", "long van chu snippets", "blong va chu snippets", "long va che snippets", "long va cau snippets", "long va chi 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: (((("long va chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("long va chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( long va chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("long va chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.