Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi qua ca snippets" » "phi quan ca snippets", "phi quang ca snippets", "thi quan ca snippets", "phi qua cac snippets", "phi qua cua snippets", "phi qua cai 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: (((("phi qua ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi qua ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi qua ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi qua ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.