Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xin dong chi snippets" » "dien dong chi snippets", "bien dong chi snippets", "mien dong chi snippets", "xin dong cho snippets", "xin dong thi snippets", "xin dung chi 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: (((("xin dong chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("xin dong chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xin dong chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xin dong chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.