Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc tai so snippets" » "hoc dai so snippets", "hoc tap so snippets", "hoc bai so snippets", "hoc tai sao snippets", "hoc tai co 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 tai so 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 tai so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc tai so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc tai so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.