Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sinh tra du snippets" » "sinh trac du snippets", "sinh thai du snippets", "sinh tren du snippets", "sinh tra tu snippets", "sinh tran duc snippets", "sinh tran duy 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: (((("sinh tra du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sinh tra du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sinh tra du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sinh tra du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.