Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"so tinh duoc snippets" » "so trinh duoc snippets", "so sinh duoc snippets", "so tinh duc snippets", "o tinh duoc snippets", "so tin duoc snippets", "hoi tinh duoc snippets", "so tinh duoc slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("so tinh duoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("so tinh duoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( so tinh duoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("so tinh duoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.