Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tong tu cho snippets" » "thong tu cho snippets", "tuong tu cho snippets", "trong tu cho snippets", "tong tu choi snippets", "tong tu chon snippets", "tong cu cho 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: (((("tong tu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tong tu cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tong tu cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tong tu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.