Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mon dan hoc snippets" » "moi dan hoc snippets", "mon dam hoc snippets", "mon dat hoc snippets", "mon van hoc snippets", "mon dan toc snippets", "mon dai hoc 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: (((("mon dan 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: (((("mon dan hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mon dan hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mon dan hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.