Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nghia su can snippets" » "nghia tu can snippets", "nghia duy can snippets", "nghia cua can snippets", "nghia su van snippets", "nghia su cao snippets", "nghia su han 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: (((("nghia su can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nghia su can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nghia su can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nghia su can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.