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