Perhaps you should try some spelling variations:
"chanh niem a snippets" » "thanh liem a snippets", "thanh nien a snippets", "chanh niem va snippets", "chanh diem a snippets", "chanh niem sai snippets", "chanh niem a slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("chanh niem a snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chanh niem a snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chanh niem a snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chanh niem a snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.