Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bat hoc chi snippets" » "bai hoc chi snippets", "vat hoc chi snippets", "bac hoc chi snippets", "bat hoc chia snippets", "bat hoc cho snippets", "bat hoc chu 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: (((("bat hoc chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bat hoc chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bat hoc chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bat hoc chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.