Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mong te cong snippets" » "muong te cong snippets", "mang ten cong snippets", "mong tai cong snippets", "mong thi cong snippets", "mong thu cong 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: (((("mong te cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mong te cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mong te cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mong te cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.