Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thoi cay so snippets" » "phoi cay so snippets", "thoi nay so snippets", "thoai cac so snippets", "thoi cay co snippets", "thoi cay mo snippets", "thoi cao so 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: (((("thoi cay 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: (((("thoi cay so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thoi cay so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thoi cay so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.