Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho vi hoe snippets" » "chon vi hoe snippets", "cho vit hoe snippets", "cho va hoe snippets", "cho vi hoc snippets", "cho vi he 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 vi hoe 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 vi hoe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho vi hoe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho vi hoe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.