Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can bot hoc snippets" » "can bo hoc snippets", "can biet hoc snippets", "dang bot hoc snippets", "can post hoc snippets", "can bot khoa snippets", "can buoc 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: (((("can bot 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: (((("can bot hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can bot hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can bot hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.