Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc hang loi snippets" » "hoc hang loi snippets", "oc hang loi snippets", "toc mang loi snippets", "toc thang loi snippets", "toc hang doi snippets", "toc tang loi 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 hang loi 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 hang loi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc hang loi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc hang loi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.