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