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