Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"do thoi so snippets" » "dao thoi so snippets", "doi thoi so snippets", "do thi so snippets", "do thoi sao snippets", "do hoi so snippets", "do thoi 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: (((("do thoi 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: (((("do thoi so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( do thoi so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do thoi so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.