Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc lam lon snippets" » "duoc pham lon snippets", "duoc ly lon snippets", "duoc li lon snippets", "duoc lam son snippets", "duoc lai lon snippets", "duoc lam dong 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: (((("duoc lam lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoc lam lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc lam lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc lam lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.