Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong hac de snippets" » "trong hach de snippets", "trong cac de snippets", "trong hai de snippets", "trong hoc de snippets", "trong tac de snippets", "trong hat de 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 hac de 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 hac de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong hac de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong hac de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.