Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lin lieu doi snippets" » "lin liu doi snippets", "binh lieu doi snippets", "linh sieu doi snippets", "lin lieu boi snippets", "lin lieu voi snippets", "lin lieu dai 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: (((("lin lieu doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lin lieu doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lin lieu doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lin lieu doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.