Perhaps you should try some spelling variations:
"tran thanh a snippets" » "ban thanh a snippets", "van thanh a snippets", "quan thanh a snippets", "tran thanh ha snippets", "tran thanh va snippets", "tran thanh ba snippets", "tran thanh 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: (((("tran thanh 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: (((("tran thanh a snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran thanh a snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran thanh a snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.