Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung tri ve snippets" » "dung tai ve snippets", "dung tren ve snippets", "nhung tri ve snippets", "dung tri va snippets", "dung tri le snippets", "dung trinh ve 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: (((("dung tri ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung tri ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung tri ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung tri ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.