Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc gia lon snippets" » "hoc giao lon snippets", "hoc giai lon snippets", "toc gia lon snippets", "hoc gia long snippets", "hoc gia loc snippets", "hoc nghia lon 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 gia lon 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 gia lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc gia lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc gia lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.