Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tim mot cong snippets" » "tim moi cong snippets", "tim hoc cong snippets", "tim bo cong snippets", "tim mat cong snippets", "tich mot cong snippets", "tiet mot 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: (((("tim mot 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: (((("tim mot cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tim mot cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tim mot cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.