Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhiem huu ve snippets" » "nhiem cuu ve snippets", "nhiem hua ve snippets", "nhiem huu va snippets", "nghiem huu ve snippets", "nhieu huu ve snippets", "niem huu ve 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: (((("nhiem huu ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhiem huu ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhiem huu ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhiem huu ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.