Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gia chat so snippets" » "gia cat so snippets", "giai khat so snippets", "hoa chat so snippets", "gia nhat so snippets", "gia chat co snippets", "gia chat bo 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: (((("gia chat so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gia chat so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gia chat so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gia chat so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.