Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc chinh mo snippets" » "hoan chinh mo snippets", "hoc sinh mo snippets", "hoc kinh mo snippets", "hoc chinh so snippets", "hoc chinh do snippets", "hoc chinh cho 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 chinh mo 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 chinh mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc chinh mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc chinh mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.