Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mong tu cong snippets" » "dong tu cong snippets", "mon tu cong snippets", "cong tu cong snippets", "mong thu cong snippets", "mong te cong snippets", "mong tai 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 tu 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 tu cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mong tu cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mong tu cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.