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