Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chay dua doc snippets" » "chay duy doc snippets", "chay cua duoc snippets", "chay qua duoc snippets", "chat dua doc snippets", "thay dua doc snippets", "chan dua doc 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: (((("chay dua doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chay dua doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chay dua doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chay dua doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.