Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lang hai hoc snippets" » "lang chai hoc snippets", "lang thai hoc snippets", "lang ha hoc snippets", "lang hai huoc snippets", "lang 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: (((("lang hai 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: (((("lang hai hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lang hai hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lang hai hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.