Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cheng va cau snippets" » "chong va cau snippets", "hang va cau snippets", "thong va cau snippets", "cheng van cau snippets", "cheng va cac snippets", "cheng va dau 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: (((("cheng va cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cheng va cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cheng va cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cheng va cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.