Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim vu cong snippets" » "kim va cong snippets", "kim tu cong snippets", "kim cua cong snippets", "kim lu cong snippets", "kim yu 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 vu 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 vu cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim vu cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim vu cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.