Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc cho ke snippets" » "duoc co ke snippets", "nuoc cho ke snippets", "quoc cho ke snippets", "duoc cho he snippets", "duoc cho ky snippets", "duoc cho xe 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: (((("duoc cho ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoc cho ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc cho ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc cho ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.