Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho phat cho snippets" » "cho phan cho snippets", "co phan cho snippets", "dao phat cho snippets", "cho chat cho snippets", "cho nhat cho snippets", "cho phap cho 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 phat cho 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 phat cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho phat cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho phat cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.