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