Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pho tich cac snippets" » "ho tich cac snippets", "phan tich cac snippets", "pho trach cac snippets", "pho tich va snippets", "pho tich bao 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: (((("pho tich cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pho tich cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pho tich cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pho tich cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.