Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat da nghe snippets" » "nha da nghe snippets", "nhat de nghe snippets", "nhat ha nghe snippets", "nhat day nghe snippets", "nhat va nghe snippets", "nhat dang 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: (((("nhat da 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: (((("nhat da nghe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat da nghe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat da nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.