Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim cho cong snippets" » "kim cao cong snippets", "kim cua cong snippets", "kim cac cong snippets", "kim chi cong snippets", "kim ho cong snippets", "hiem cho 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: (((("kim cho 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: (((("kim cho cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim cho cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim cho cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.