Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thao hoc chi snippets" » "thai hoc chi snippets", "than hoc chi snippets", "thao khoa chi snippets", "thao hoc chia snippets", "thao hoc cho snippets", "thao 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: (((("thao 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: (((("thao hoc chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thao hoc chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thao hoc chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.