Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim so hoc snippets" » "kim sao hoc snippets", "kim son hoc snippets", "kim ho hoc snippets", "kim co hoc snippets", "kim mo hoc snippets", "kim so hoa 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: (((("kim so hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kim so hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim so hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim so hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.