Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan sinh de snippets" » "quan binh de snippets", "quan tinh de snippets", "xuan sinh de snippets", "quan sinh dh snippets", "quan 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: (((("quan 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: (((("quan sinh de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan sinh de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan sinh de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.