Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bao hoc don snippets" » "bai hoc don snippets", "bao goc don snippets", "bac hoc don snippets", "bao hoc dong snippets", "bao hoc dan snippets", "bao hoc do 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: (((("bao hoc don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bao hoc don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bao hoc don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bao hoc don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.