Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong bo uoc snippets" » "cong bao uoc snippets", "cong so uoc snippets", "cong co uoc snippets", "cong bo duoc snippets", "cong bo quoc snippets", "cong mo uoc 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: (((("cong bo uoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong bo uoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong bo uoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong bo uoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.