Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi cong doi snippets" » "tai cong doi snippets", "thien cong doi snippets", "thi vong doi snippets", "thi cong dot snippets", "thi cong goi 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 cong doi 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 cong doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi cong doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi cong doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.