Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can tranh he snippets" » "canh tranh he snippets", "tan tran he snippets", "van ranh he snippets", "can trinh he snippets", "can tranh ha snippets", "can tinh he 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: (((("can tranh he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("can tranh he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can tranh he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can tranh he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.