Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho soc tre snippets" » "cho hoc tre snippets", "cho son tre snippets", "cham soc tre snippets", "cho moc tren snippets", "cho hoc tren 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 soc tre 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 soc tre snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho soc tre snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho soc tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.