Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tien cong co snippets" » "thien cong co snippets", "trien cong co snippets", "tien luong co snippets", "tien dong co snippets", "tien cong cu snippets", "tien cong 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: (((("tien cong co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tien cong co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tien cong co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tien cong co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.