Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sen van cau snippets" » "san van cau snippets", "nen van cau snippets", "sen tan cau snippets", "sen van dau snippets", "sen van hau snippets", "sen van chat 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: (((("sen van cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sen van cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sen van cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sen van cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.