Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung kho me snippets" » "nhung nho me snippets", "nhung khuc me snippets", "nhung kham me snippets", "nhung kho mu snippets", "nhung cho me snippets", "nhung khoe men 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: (((("nhung kho me snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung kho me snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung kho me snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung kho me snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.