Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thoi gio hoc snippets" » "thoi gian hoc snippets", "thong gio hoc snippets", "thoi ki hoc snippets", "thoi gio hoac snippets", "thoi gio hon snippets", "thoi giup 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: (((("thoi gio 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: (((("thoi gio hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thoi gio hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thoi gio hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.