Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phat gia de snippets" » "phat giao de snippets", "phap gia de snippets", "pha gia de snippets", "phat gia ve snippets", "phat ga de snippets", "phat gia do 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: (((("phat gia 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: (((("phat gia de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phat gia de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phat gia de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.