Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho voi chat snippets" » "cho voi nhat snippets", "cho van chat snippets", "cho hop chat snippets", "choi voi chat snippets", "cho moi chat snippets", "pho voi 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: (((("cho voi chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho voi chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho voi chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho voi chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.