Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"buoc dan thi snippets" » "buoc dau thi snippets", "buoc ban thi snippets", "duoc dan thi snippets", "buoc dang thi snippets", "buoc tran thi snippets", "buoc dinh thi snippets", "buoc dan thi 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: (((("buoc dan thi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("buoc dan thi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( buoc dan thi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("buoc dan thi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.