Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi chi cua snippets" » "hoi chiu cua snippets", "ho chi cua snippets", "hop chi cua snippets", "hoi chi cuc snippets", "hoi khi cua snippets", "hoi cuoi cua 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: (((("hoi chi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi chi cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi chi cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi chi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.