Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bua ky nghe snippets" » "bua day nghe snippets", "bua kho nghe snippets", "cua ky nghe snippets", "bua ke nghe snippets", "qua ky nghe 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: (((("bua ky nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bua ky nghe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bua ky nghe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bua ky nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.