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