Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thin hoc moi snippets" » "tin hoc moi snippets", "than hoc moi snippets", "khien hoc moi snippets", "thin hoc noi 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: (((("thin hoc moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thin hoc moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thin hoc moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thin hoc moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.