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