Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong tan cu snippets" » "trong san cu snippets", "trong quan cu snippets", "trong cac cu snippets", "trong tan cua snippets", "trong tan chu snippets", "trong tuan cu 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 tan 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 tan cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong tan cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong tan cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.