Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi cua so snippets" » "thai cua so snippets", "thi cuc so snippets", "tri cua so snippets", "thi cua sro snippets", "thi cua bo snippets", "thi cua su 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: (((("thi cua 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: (((("thi cua so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi cua so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi cua so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.