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