Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cha va hoan snippets" » "cha van hoan snippets", "cha va hoa snippets", "cha va hoat snippets", "chat va hoan snippets", "chai va hoan snippets", "cham va hoan 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: (((("cha va hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cha va hoan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cha va hoan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cha va hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.