Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu trong so snippets" » "chu trang so snippets", "cay trong so snippets", "tu trong so snippets", "chu trong co snippets", "chu trong su snippets", "chu trong o 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: (((("chu trong 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: (((("chu trong so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu trong so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu trong so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.