Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tim anh hoc snippets" » "tim hanh hoc snippets", "tam anh hoc snippets", "kim anh hoc snippets", "tim sinh hoc snippets", "tim benh hoc snippets", "tim hinh 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: (((("tim anh 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: (((("tim anh hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tim anh hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tim anh hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.