Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan xuat cua snippets" » "san xuat cua snippets", "van xuat cua snippets", "phan xuat cua snippets", "lan xuat va snippets", "lan nhat cua snippets", "lan xuat bia 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: (((("lan xuat cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan xuat cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan xuat cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan xuat cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.