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