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