Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc phu loc snippets" » "hoc pho loc snippets", "toc phu loc snippets", "hoc chu loc snippets", "hoc phu loi snippets", "hoc phu quoc snippets", "hoc chua loc 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: (((("hoc phu loc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc phu loc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc phu loc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc phu loc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.