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