Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pho dong von snippets" » "pho uong von snippets", "pho thong von snippets", "phan dong von snippets", "pho dung von snippets", "pho dong co snippets", "pho dong hoc 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 dong von 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 dong von snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pho dong von snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pho dong von snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.