Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"troi tu lanh snippets" » "toi tu lanh snippets", "tri tu lanh snippets", "tro tu lanh snippets", "troi tu hanh snippets", "troi tu lenh snippets", "troi tu manh snippets", "troi tu lanh 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: (((("troi tu lanh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("troi tu lanh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( troi tu lanh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("troi tu lanh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.