Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"moi chi cua snippets" » "doi chi cua snippets", "moi cho cua snippets", "moi thoi cua snippets", "moi chi cuc snippets", "moi khi cua snippets", "moi 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: (((("moi 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: (((("moi chi cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( moi chi cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("moi chi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.