Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pho sang cho snippets" » "pho mang cho snippets", "phap sang cho snippets", "pho quang cho snippets", "pho danh cho snippets", "pho dung cho snippets", "pho sang tao 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 sang cho 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 sang cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pho sang cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pho sang cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.