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