Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi phap toi snippets" » "theo phap toi snippets", "thi hai toi snippets", "thi ha toi snippets", "thi phap tai snippets", "thi phap thi snippets", "thi phap boi 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 phap toi 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 phap toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi phap toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi phap toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.