Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cot lieu che snippets" » "co lieu che snippets", "vat lieu che snippets", "so lieu che snippets", "cot dieu che snippets", "cot lieu nhe snippets", "cot lieu chiu 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: (((("cot lieu che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cot lieu che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cot lieu che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cot lieu che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.