Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc thanh vo snippets" » "hoc nhanh vo snippets", "hoan thanh vo snippets", "hoc phan vo snippets", "hoc thanh va snippets", "hoc thanh ve snippets", "hoc than vo 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: (((("hoc thanh vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc thanh vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc thanh vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc thanh vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.