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