Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran dam cho snippets" » "toan dam cho snippets", "tran day cho snippets", "tran lam cho snippets", "tran dam choi snippets", "tran dac 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: (((("tran dam 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: (((("tran dam cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran dam cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran dam cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.