Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"case hoc noi snippets" » "cao hoc noi snippets", "cach hoc noi snippets", "cac hoc noi snippets", "case hoc nuoc 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: (((("case hoc noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("case hoc noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( case hoc noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("case hoc noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.