Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu song con snippets" » "hue song con snippets", "huu son con snippets", "huu dong con snippets", "huu cong cong snippets", "huu tong cong snippets", "huu song hong 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: (((("huu song con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huu song con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu song con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu song con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.