Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho tan soi snippets" » "cho tang soi snippets", "cho can soi snippets", "cho san soi snippets", "cho tan hoi snippets", "cho tan son snippets", "cho tan voi 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 tan soi 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 tan soi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho tan soi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho tan soi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.