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