Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"loi can danh snippets" » "loi van danh snippets", "loi cao danh snippets", "loi cau danh snippets", "loi ca danh snippets", "voi can danh snippets", "loi can danh 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: (((("loi can danh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("loi can danh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( loi can danh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("loi can danh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.