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